APA aipamena

PIPE, J. (2007). EXTREME HABITATS: POLAR REGIONS. TICKTOCK 32.

Chicago Style aipamena

PIPE, JIM. EXTREME HABITATS: POLAR REGIONS. TICKTOCK 32, 2007.

MLA aipamena

PIPE, JIM. EXTREME HABITATS: POLAR REGIONS. TICKTOCK 32, 2007.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.