APA aipamena

BERNTHAL, M. S. (2009). BARNEY'S BOOK OF SHAPES.

Chicago Style aipamena

BERNTHAL, MARK. S. BARNEY'S BOOK OF SHAPES. 2009.

MLA aipamena

BERNTHAL, MARK. S. BARNEY'S BOOK OF SHAPES. 2009.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.