Citazione Stile APA (7a Edizione)

Ndemafia, E., Nana, J., & Siri, A. (2014). New primary science (Second edition.). Emengu.

Citazione stile Chigago Style (17a edizione)

Ndemafia, Emanuel, James Nana, e Anna Siri. New Primary Science. Second edition. Mankon, Bamenda: Emengu, 2014.

Citatione MLA (9a ed.)

Ndemafia, Emanuel, et al. New Primary Science. Second edition. Emengu, 2014.