APA ציטוט

Yoakam, G. A., & Simpson, R. G. (1949). Directed study and observation of teaching (rev. ed.). Macmillan.

Chicago Style (17th ed.) Citation

Yoakam, Gerald Alan, and Robert G. Simpson. Directed Study and Observation of Teaching. rev. ed. New York: Macmillan, 1949.

ציטוט MLA

Yoakam, Gerald Alan, and Robert G. Simpson. Directed Study and Observation of Teaching. rev. ed. Macmillan, 1949.