Παραπομπή σε μορφή APA (7η εκδ.)

American University (Washington, D.C.). Foreign Area Studies, & Nelson, H. D. (1972). Area handbook for Nigeria (Rev. 3rd ed.). For sale by the Supt. of Docs., U.S. G.P.O..

Παραπομπή σε μορφή Chicago (17η εκδ.)

American University (Washington, D.C.). Foreign Area Studies, και Harold D. Nelson. Area Handbook for Nigeria. Rev. 3rd ed. Washington, D.C.: For sale by the Supt. of Docs., U.S. G.P.O., 1972.

Παραπομπή σε μορφή MLA (8th εκδ.)

American University (Washington, D.C.). Foreign Area Studies, και Harold D. Nelson. Area Handbook for Nigeria. Rev. 3rd ed. For sale by the Supt. of Docs., U.S. G.P.O., 1972.