Citazione Stile APA (7a Edizione)

Ogunniyi, D., Ehon, G., Ogbajie, N. U., & Mohammed, A. (2009). Social issues and problems (U.B.E. edition.). Spectrum Books Limited.

Citazione stile Chigago Style (17a edizione)

Ogunniyi, Dayo, G.I Ehon, Nwakaego U. Ogbajie, e Abbas Mohammed. Social Issues and Problems. U.B.E. edition. Ibadan: Spectrum Books Limited, 2009.

Citatione MLA (9a ed.)

Ogunniyi, Dayo, et al. Social Issues and Problems. U.B.E. edition. Spectrum Books Limited, 2009.