AHAMAD ULLAH, A. (1969). Agriculture in Pakistan: (for students of degree classes). Abdul Mannan.
Citazione stile Chigago Style (17a edizione)AHAMAD ULLAH, A.K.M. Agriculture in Pakistan: (for Students of Degree Classes). Chittagong: Abdul Mannan, 1969.
Citatione MLA (9a ed.)AHAMAD ULLAH, A.K.M. Agriculture in Pakistan: (for Students of Degree Classes). Abdul Mannan, 1969.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.