APA aipamena

Berenstain, J. Berenstain Bears' Valentine Party. Harperfestival.

Chicago Style aipamena

Berenstain, Jan. Berenstain Bears' Valentine Party. Harperfestival.

MLA aipamena

Berenstain, Jan. Berenstain Bears' Valentine Party. Harperfestival.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.