Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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