Citazione Stile APA (7a Edizione)

Robert, N. A. (2010). Social Studies for junior high schools (Millennium edition 2, revised edition.). Aki-Ola Publishers.

Citazione stile Chigago Style (17a edizione)

Robert, Nikoi Ashley. Social Studies for Junior High Schools. Millennium edition 2, revised edition. Accra: Aki-Ola Publishers, 2010.

Citatione MLA (9a ed.)

Robert, Nikoi Ashley. Social Studies for Junior High Schools. Millennium edition 2, revised edition. Aki-Ola Publishers, 2010.