Citazione Stile APA (7a Edizione)

Lewis, G. E. D., & Salau, A. T. (1982). Human geography for West Africa: With special reference to the WAEC school certificate (and GCE) geography examination (1. publ.). Hodder and Stoughton.

Citazione stile Chigago Style (17a edizione)

Lewis, Gerwyn Elidor David, e A. T. Salau. Human Geography for West Africa: With Special Reference to the WAEC School Certificate (and GCE) Geography Examination. 1. publ. London [u.a.]: Hodder and Stoughton, 1982.

Citatione MLA (9a ed.)

Lewis, Gerwyn Elidor David, e A. T. Salau. Human Geography for West Africa: With Special Reference to the WAEC School Certificate (and GCE) Geography Examination. 1. publ. Hodder and Stoughton, 1982.