Dean, B. L., Khan, S., & Hafeez, O. (2015). General knowledge for class .. (First edition, test edition.). Orient Enterprises.
Citazione stile Chigago Style (17a edizione)Dean, Bernadette L., Shabnam Khan, e Oroosa Hafeez. General Knowledge for Class .. First edition, test edition. Karachi: Orient Enterprises, 2015.
Citatione MLA (9a ed.)Dean, Bernadette L., et al. General Knowledge for Class .. First edition, test edition. Orient Enterprises, 2015.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.