Gaya APA

Willard, H, H., Furman, N, H, (. (1957). A Short Course in Quantitative Analysis, Second Edition . New York: D. Van Nostrand Company, Inc.

Gaya MLA

Willard, Hobart, H., Furman, N., Howell, (a.o). "A Short Course in Quantitative Analysis, Second Edition". New York: D. Van Nostrand Company, Inc, 1957. Text.