Cita APA

Hays, W. L. (1981). Statistics (3rd. ed.). Holt Saunders.

Chicago Edition Citation

Hays, William L. Statistics. 3rd. ed. Tokyo: Holt Saunders, 1981.

Cita MLA

Hays, William L. Statistics. 3rd. ed. Holt Saunders, 1981.

Atenció: Aquestes cites poden no estar 100% correctes.