APA aipamena

HORUS EDITIONS. (2002). THE ULTIMATE HOW IT WORKS ENCYCLOPEDIA. HORUS EDITIONS.

Chicago Style aipamena

HORUS EDITIONS. THE ULTIMATE HOW IT WORKS ENCYCLOPEDIA. HORUS EDITIONS, 2002.

MLA aipamena

HORUS EDITIONS. THE ULTIMATE HOW IT WORKS ENCYCLOPEDIA. HORUS EDITIONS, 2002.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.