Citazione Stile APA (7a Edizione)

Nwana, M. T., Amawa, S. G., & Ban, B. (2015). Elements of regional and human geography for junior secondary school: Form 2 (New edition (4th edition).). NAB Ventures.

Citazione stile Chigago Style (17a edizione)

Nwana, Martin T., Sani G. Amawa, e Blaise Ban. Elements of Regional and Human Geography for Junior Secondary School: Form 2. New edition (4th edition). Bamenda: NAB Ventures, 2015.

Citatione MLA (9a ed.)

Nwana, Martin T., et al. Elements of Regional and Human Geography for Junior Secondary School: Form 2. New edition (4th edition). NAB Ventures, 2015.