APA استشهاد

Ayres, F. (1954). Schaum's Outline of Theory and Problems of Plane and Spherical Trigonometry. New York: McGraw-Hill.

استشهاد بنمط شيكاغو

Ayres, Frank. Schaum's Outline of Theory and Problems of Plane and Spherical Trigonometry. New York: McGraw-Hill, 1954.

MLA استشهاد

Ayres, Frank. Schaum's Outline of Theory and Problems of Plane and Spherical Trigonometry. New York: McGraw-Hill, 1954.

تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.