Παραπομπή APA

Freund, J. (1973). Modern elementary statistics/4th ed (4th ed.). Prentice-Hall of India.

Παραπομπή Chicago Style

Freund, John. Modern Elementary Statistics/4th Ed. 4th ed. New Jersey: Prentice-Hall of India, 1973.

Παραπομπή MLA

Freund, John. Modern Elementary Statistics/4th Ed. 4th ed. Prentice-Hall of India, 1973.