APA aipamena

BPI PUBLICATION. CURRENT ESSAYS & LETTERS. BPI PUBLICATION.

Chicago Style aipamena

BPI PUBLICATION. CURRENT ESSAYS & LETTERS. NEW DELHI: BPI PUBLICATION.

MLA aipamena

BPI PUBLICATION. CURRENT ESSAYS & LETTERS. BPI PUBLICATION.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.