APA aipamena

Keppel, G. (1973). Design and analysis: A researcher's handbook. Prentice-Hall.

Chicago Style aipamena

Keppel, Geoffrey. Design and Analysis: A Researcher's Handbook. Englewood Cliffs, N.J: Prentice-Hall, 1973.

MLA aipamena

Keppel, Geoffrey. Design and Analysis: A Researcher's Handbook. Prentice-Hall, 1973.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.