APA (7e ed.) Bronvermelding

McFadden, M. (1965). Modern trigonometry: A program for self-instruction. McGraw-Hill.

Chicago (17e ed.) Bronvermelding

McFadden, Myra. Modern Trigonometry: A Program for Self-instruction. New York: McGraw-Hill, 1965.

MLA (9e ed.) Bronvermelding

McFadden, Myra. Modern Trigonometry: A Program for Self-instruction. McGraw-Hill, 1965.