Bamman, H. A., & Whitehead, R. J. (1968). A teacher's manual for the Checkered flag series. Field Educational Publications, inc., a susidiary of Field Enterprises Educational Corporation.
Παραπομπή σε μορφή Chicago (17η εκδ.)Bamman, Henry A., και Robert J. Whitehead. A Teacher's Manual for the Checkered Flag Series. San Francisco ; Palatine, Ill. ; Berkeley Heights, N.J. ; Atlanta ; Dallas: Field Educational Publications, inc., a susidiary of Field Enterprises Educational Corporation, 1968.
Παραπομπή σε μορφή MLA (8th εκδ.)Bamman, Henry A., και Robert J. Whitehead. A Teacher's Manual for the Checkered Flag Series. Field Educational Publications, inc., a susidiary of Field Enterprises Educational Corporation, 1968.
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