APA aipamena

Barry, J. W. (1977). Periodical Prices U.S. Medical Titles.

Chicago Style aipamena

Barry, James W. Periodical Prices U.S. Medical Titles. 1977.

MLA aipamena

Barry, James W. Periodical Prices U.S. Medical Titles. 1977.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.