Cita APA (7th ed.)

Hardyck, C., & Petrinovich, L. F. (1969). Introduction to statistics for the behavioral sciences. W.B. Saunders.

Cita Chicago (17th ed.)

Hardyck, Curtis, i Lewis F. Petrinovich. Introduction to Statistics for the Behavioral Sciences. Filadelfia: W.B. Saunders, 1969.

Cita MLA (9th ed.)

Hardyck, Curtis, i Lewis F. Petrinovich. Introduction to Statistics for the Behavioral Sciences. W.B. Saunders, 1969.