Gaya APA

UNRUH, G, G., Alxander, W, M. (1970). INNOVATIONS IN SECONDARY EDUCATION . New York: Holt, Rinehart, and Winston.

Gaya MLA

UNRUH, Glenys, G.., Alxander, William, M.. "INNOVATIONS IN SECONDARY EDUCATION". New York: Holt, Rinehart, and Winston, 1970. Textbook.