APA

Kowitz G. T., Kowitz N. G., . (1968). Operating guidance services for the modern school. New York: Holt, Rinehart and Winston.

Chicago

Kowitz Gerald T, Kowitz Norma Giess, . 1968. Operating guidance services for the modern school. New York: Holt, Rinehart and Winston.

Harvard

Kowitz G. T., Kowitz N. G., . (1968). Operating guidance services for the modern school. New York: Holt, Rinehart and Winston.

MLA

Kowitz Gerald T, Kowitz Norma Giess, . Operating guidance services for the modern school. New York: Holt, Rinehart and Winston. 1968.