APA (7th ed.) Zitazioa

HOLT, R. T. (1970). The methodology of comparative research. Free Press.

Chicago Style (17th ed.) Zitazioa

HOLT, Robert T. The Methodology of Comparative Research. New York: Free Press, 1970.

MLA (9th ed.) Zitazioa

HOLT, Robert T. The Methodology of Comparative Research. Free Press, 1970.