вопрос апострофа

[N]

Подскажите пожалуйста, нужен ли здесь апостроф, где и почему:
Sharehilders General Meeting.
Заранее спасибо

[anov]

Shareholders'General Meeting.
почему не знаю, но никода не имел замечаний. Проводим раз в год.

[10-4]

Apostrophe (’)
In general, use of the possessive should be avoided except in accepted forms or when awkwardness would result if the possessive is not used.
Halley’s comet, Stalin’s five-year plan, but the results obtained by Steinberg
The use of an 's with words ending in [s] or [z] sounds depends on whether а pronounceable final syllable is formed: if the syllable is formed, the 's is used; if no final pronounceable syllable is formed, the apostrophe is retained but the s is not added.
Cooper’s products, Aristophanes’ play, for righteousness’ sake
Form the possessive of а joint owner by adding ’s to the final name only.
Ivanov and Sidorov’s results, Smith and Green’s theory
Unless confusion would result, add s without an apostrophe to form plurals of acronyms, capital letters used as words, hyphenated coinages used as nouns, and numbers.
BOPs, the three Rs, ABCs, sixes and sevens
However, abbreviations with periods, lowercase letters used as words, and capital letters that would be confusing if s were added alone, form the plural with ’s.
PhD’s, х’s and y’s, SOS’s

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