APA (7. basım) Alıntı

Ahmad, N. (1972). Muslim contribution to geography. Sh. Muhammad Ashraf.

Chicago Style (17. basım) Atıf

Ahmad, Nafis. Muslim Contribution to Geography. Lahore: Sh. Muhammad Ashraf, 1972.

MLA (9th ed.) Atıf

Ahmad, Nafis. Muslim Contribution to Geography. Sh. Muhammad Ashraf, 1972.