APA aipamena

Karen Hartley; Chris MacRo; Philip Taylor. (2001). Caterpillar (Bug Books). Heinemann/Raintree.

Chicago Style aipamena

Karen Hartley; Chris MacRo; Philip Taylor. Caterpillar (Bug Books). Heinemann/Raintree, 2001.

MLA aipamena

Karen Hartley; Chris MacRo; Philip Taylor. Caterpillar (Bug Books). Heinemann/Raintree, 2001.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.