Dokumentuaren aipamena

APA (7th ed.) Zitazioa
Petre, M., & Rugg, G. (2010). The unwritten rules of PhD research (2nd ed.). Open University Press.
Chicago Style (17th ed.) Zitazioa
Petre, Marian, eta Gordon Rugg. The Unwritten Rules of PhD Research. 2nd ed. Maidenhead, England: Open University Press, 2010.
MLA (9th ed.) Zitazioa
Petre, Marian, eta Gordon Rugg. The Unwritten Rules of PhD Research. 2nd ed. Open University Press, 2010.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.