APA (7th ed.) Zitazioa
Bechhofer, F., & Paterson, L. (2000). Principles of research design in the social sciences. Routledge.
Chicago Style (17th ed.) Zitazioa
Bechhofer, Frank, eta Lindsay Paterson. Principles of Research Design in the Social Sciences. London ; New York: Routledge, 2000.
MLA (9th ed.) Zitazioa
Bechhofer, Frank, eta Lindsay Paterson. Principles of Research Design in the Social Sciences. Routledge, 2000.
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