APA (7th ed.) Zitazioa
Gomm, R. H. (2000). Case study method: Key issues, key texts. Sage.
Chicago Style (17th ed.) Zitazioa
Gomm, Roger Hammersley. Case Study Method: Key Issues, Key Texts. London: Sage, 2000.
MLA (9th ed.) Zitazioa
Gomm, Roger Hammersley. Case Study Method: Key Issues, Key Texts. Sage, 2000.
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