Gaya APA

Wentworth, G, (, D, E, S. (1938). Plane Trigonometry and Tables (-). Boston: Boston: Ginn and Company,.

Gaya MLA

Wentworth, George, (dan, Danid, Eugene, Smith). "Plane Trigonometry and Tables". - Boston: Boston: Ginn and Company,, 1938. Pend. Matematika.