APA-viite (7. p.)

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

Chicago-viite (17. p.)

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

MLA-viite (8. p.)

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