APA (7th ed.) Zitazioa
Johnson, R. A., Richard A. Johnson, & Gouri K. Bhattacharyya. (2001). Statistics: Principles and methods (4th ed.). John Wiley &Sons.
Chicago Style (17th ed.) Zitazioa
Johnson, Richard A., Richard A. Johnson, eta Gouri K. Bhattacharyya. Statistics: Principles and Methods. 4th ed. New York: John Wiley &Sons, 2001.
MLA (9th ed.) Zitazioa
Johnson, Richard A., et al. Statistics: Principles and Methods. 4th ed. John Wiley &Sons, 2001.
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