APA (7th ed.) Zitazioa
Greenfield, T., & Greener, S. (2016). Research methods for postgraduates (Third edition.). Wiley.
Chicago Style (17th ed.) Zitazioa
Greenfield, Tony, eta Sue Greener. Research Methods for Postgraduates. Third edition. Chichester, West Sussex, England: Wiley, 2016.
MLA (9th ed.) Zitazioa
Greenfield, Tony, eta Sue Greener. Research Methods for Postgraduates. Third edition. Wiley, 2016.
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