APA aipamena

Powell, R. R. (2004). Basic research methods for librarians. Westport, CN: LU.

Chicago Style aipamena

Powell, Ronald R. Basic Research Methods for Librarians. Westport, CN: LU, 2004.

MLA aipamena

Powell, Ronald R. Basic Research Methods for Librarians. Westport, CN: LU, 2004.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.