APA aipamena

Pritchard, E. P. (1961). University extra-mural libraries. Library Association.

Chicago Style aipamena

Pritchard, E. P. University Extra-mural Libraries. London: Library Association, 1961.

MLA aipamena

Pritchard, E. P. University Extra-mural Libraries. Library Association, 1961.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.