APA (7th ed.) Citation

El-Ayouty, Y. (1974). United Nations Documentation: Guidelines to a Study on Usage.

Chicago Style (17th ed.) Citation

El-Ayouty, Yassin. United Nations Documentation: Guidelines to a Study on Usage. 1974.

MLA (9th ed.) Citation

El-Ayouty, Yassin. United Nations Documentation: Guidelines to a Study on Usage. 1974.

Warning: These citations may not always be 100% accurate.