Ahmad, F. (2006). Upper Cretaceous (Cenomanian-Turonian) bivalves from northern Jordan, Middle East. Universidad Nacional Autónoma de México.
Citazione stile Chigago Style (17a edizione)Ahmad, Fayez. Upper Cretaceous (Cenomanian-Turonian) Bivalves from Northern Jordan, Middle East. Universidad Nacional Autónoma de México, 2006.
Citatione MLA (9a ed.)Ahmad, Fayez. Upper Cretaceous (Cenomanian-Turonian) Bivalves from Northern Jordan, Middle East. Universidad Nacional Autónoma de México, 2006.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.