APA aipamena

(1985). Research: How to plan, speak and write about it. Berlin: Springer-Verlag.

Chicago Style aipamena

Research: How to Plan, Speak and Write About It. Berlin: Springer-Verlag, 1985.

MLA aipamena

Research: How to Plan, Speak and Write About It. Berlin: Springer-Verlag, 1985.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.