Gaya APA

Alexander, W, M., Unruh, G, G. (1970). Innovations in Secondary Education . New York: Holt, Rinehart and Winston.

Gaya MLA

Alexander, William, M.., Unruh, Glenys, G.. "Innovations in Secondary Education". New York: Holt, Rinehart and Winston, 1970. Art Original.