APA aipamena

Katz, W. A. (1987). Introduction To Reference Work/wiliam A. Katz. McGraw-Hill.

Chicago Style aipamena

Katz, William A. Introduction To Reference Work/wiliam A. Katz. McGraw-Hill, 1987.

MLA aipamena

Katz, William A. Introduction To Reference Work/wiliam A. Katz. McGraw-Hill, 1987.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.