APA (7th ed.) Citation

Mas-ud, F. Essentials of English grammar a practical guide. BPFE.

Chicago Style (17th ed.) Citation

Mas-ud, Fuad. Essentials of English Grammar a Practical Guide. BPFE.

MLA (8th ed.) Citation

Mas-ud, Fuad. Essentials of English Grammar a Practical Guide. BPFE.

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