APA (7th ed.) Citation

Ayub,Muhammad. (1981). Modern English Grammar / Muhammad Ayub. Qonita.

Chicago Style (17th ed.) Citation

Ayub,Muhammad. Modern English Grammar / Muhammad Ayub. Qonita, 1981.

MLA (8th ed.) Citation

Ayub,Muhammad. Modern English Grammar / Muhammad Ayub. Qonita, 1981.

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