Citazione Stile APA (7a Edizione)

(2014). New primary science (Second edition.). Emengu.

Citazione stile Chigago Style (17a edizione)

New Primary Science. Second edition. Mankon, Bamenda: Emengu, 2014.

Citatione MLA (9a ed.)

New Primary Science. Second edition. Emengu, 2014.