Citazione Stile APA (7a Edizione)

Bowen, A., Seke, A., & Gumede, F. (1997). Map reading for Southern Africa (Second edition.). Longman.

Citazione stile Chigago Style (17a edizione)

Bowen, A.D, A. Seke, e F. Gumede. Map Reading for Southern Africa. Second edition. Cape Town: Longman, 1997.

Citatione MLA (9a ed.)

Bowen, A.D, et al. Map Reading for Southern Africa. Second edition. Longman, 1997.