Yoakam, G. A., & Simpson, R. G. (1949). Directed study and observation of teaching (rev. ed.). Macmillan.
Chicago Style (17th ed.) CitationYoakam, Gerald Alan, and Robert G. Simpson. Directed Study and Observation of Teaching. rev. ed. New York: Macmillan, 1949.
MLA (9th ed.) CitationYoakam, Gerald Alan, and Robert G. Simpson. Directed Study and Observation of Teaching. rev. ed. Macmillan, 1949.
Warning: These citations may not always be 100% accurate.