Dyfyniad APA

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

Dyfyniad Arddull Chicago

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

Dyfyniad MLA

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

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.