Citazione Stile APA (7a Edizione)

Divine, N. N., & Lyonga, P. B. (2012). An illustrated history for G.C.E. ordinary level candidates (Second edition.). Bookhouse.

Citazione stile Chigago Style (17a edizione)

Divine, N. Numfor, e P. Beseka Lyonga. An Illustrated History for G.C.E. Ordinary Level Candidates. Second edition. Yaounde: Bookhouse, 2012.

Citatione MLA (9a ed.)

Divine, N. Numfor, e P. Beseka Lyonga. An Illustrated History for G.C.E. Ordinary Level Candidates. Second edition. Bookhouse, 2012.