Billett, R. O. (1940). Fundamental of secondary-school teaching: With emphasis on the unit method. Houghthon Mifflin Company.
Chicago Style (17th ed.) CitationBillett, Roy O. Fundamental of Secondary-school Teaching: With Emphasis on the Unit Method. Houghthon Mifflin Company, 1940.
MLA (8th ed.) CitationBillett, Roy O. Fundamental of Secondary-school Teaching: With Emphasis on the Unit Method. Houghthon Mifflin Company, 1940.
Warning: These citations may not always be 100% accurate.