APA-referens (7:e uppl.)

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

Chicago-referens (17:e uppl.)

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

MLA-referens (8:e uppl.)

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