PIPE, J. (2007). EXTREME HABITATS: POLAR REGIONS. TICKTOCK 32.
Chicago Style (17th ed.) CitationPIPE, JIM. EXTREME HABITATS: POLAR REGIONS. TICKTOCK 32, 2007.
MLA (9th ed.) CitationPIPE, JIM. EXTREME HABITATS: POLAR REGIONS. TICKTOCK 32, 2007.
Advarsel: Disse citationer er muligvist ikke 100% nøjagtige.