Citazione Stile APA (7a Edizione)

Igwe, C. A. (2007). Social studies for primary schools (Lower basic education, 3. ed.). University Press.

Citazione stile Chigago Style (17a edizione)

Igwe, Collins A. Social Studies for Primary Schools. Lower basic education, 3. ed. Ibadan: University Press, 2007.

Citatione MLA (9a ed.)

Igwe, Collins A. Social Studies for Primary Schools. Lower basic education, 3. ed. University Press, 2007.