APA استشهاد

Croxton,Frederick E; Cowden, D. (1971). Appplied general statistics.

استشهاد بنمط شيكاغو

Croxton,Frederick E; Cowden, Dudley. Appplied General Statistics. Prentice-Hall of India Pvt. Ltd., New Delhi, 1971.

MLA استشهاد

Croxton,Frederick E; Cowden, Dudley. Appplied General Statistics. 1971.