Mills, C. N., Atkin, E. I., & Flagg, E. B. (1937). Plane trigonometry. Chicago, New York [etc.]: Scott, Foresman and company.
Чикагска система за цитиранеMills, Clifford Newton, Edith Irene Atkin, и Elinor Bertha Flagg. Plane Trigonometry. Chicago, New York [etc.]: Scott, Foresman and company, 1937.
MLA формат за цитиранеMills, Clifford Newton, Edith Irene Atkin, и Elinor Bertha Flagg. Plane Trigonometry. Chicago, New York [etc.]: Scott, Foresman and company, 1937.
Внимание: Тези цитати може да не са 100% точни.