APA aipamena

(1995). The World Book Encyclopedia: V.14 : N-O. Saint Joseph's University.

Chicago Style aipamena

The World Book Encyclopedia: V.14 : N-O. Saint Joseph's University, 1995.

MLA aipamena

The World Book Encyclopedia: V.14 : N-O. Saint Joseph's University, 1995.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.