Cita APA (7th ed.)

Sheffield, J. R., & Diejomaoh, V. P. (1972). Non-formal education in African development. African-American Institute.

Cita Chicago (17th ed.)

Sheffield, James R., i Victor P. Diejomaoh. Non-formal Education in African Development. New York: African-American Institute, 1972.

Cita MLA (8th ed.)

Sheffield, James R., i Victor P. Diejomaoh. Non-formal Education in African Development. African-American Institute, 1972.