Gaya APA

Barnett, F. et al (1969). A Programmed study guide for introduction to probability and statistics, second edition, by William Mendenhall . California: Wadsworth Publishing Company.

Gaya MLA

Barnett, Frederic. et al. "A Programmed study guide for introduction to probability and statistics, second edition, by William Mendenhall". California: Wadsworth Publishing Company, 1969. Text.