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.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Bamman, Henry A., و 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.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Bamman, Henry A., و Robert J. Whitehead. A Teacher's Manual for the Checkered Flag Series. Field Educational Publications, inc., a susidiary of Field Enterprises Educational Corporation, 1968.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.