Billett, R. O. (1970). Improving the secondary-school curriculum: A guide to effective curriculum planning. Teachers Practical Press.
Chicago Style (17th ed.) CitationBillett, Roy Oren. Improving the Secondary-school Curriculum: A Guide to Effective Curriculum Planning. New York: Teachers Practical Press, 1970.
MLA (9th ed.) CitationBillett, Roy Oren. Improving the Secondary-school Curriculum: A Guide to Effective Curriculum Planning. Teachers Practical Press, 1970.
Warning: These citations may not always be 100% accurate.