Cita APA (7th ed.)

Keith & Kenneth G. (1985). An Introduction to Statistics for Psychology and Education. Charles E. Merrill Publishing.

Cita Chicago (17th ed.)

Keith i Kenneth G. An Introduction to Statistics for Psychology and Education. Columbus, OH: Charles E. Merrill Publishing, 1985.

Cita MLA (9th ed.)

Keith i Kenneth G. An Introduction to Statistics for Psychology and Education. Charles E. Merrill Publishing, 1985.