APA ציטוט

(2016). Polar bears matter / by Tammy Gagne ; content consultant, Dr. Jeff Welker, Fulbright distinguished US Arctic chair-Norway, professor of ecology, University of Alaska Anchorage.

Chicago Style (17th ed.) Citation

Polar Bears Matter / by Tammy Gagne ; Content Consultant, Dr. Jeff Welker, Fulbright Distinguished US Arctic Chair-Norway, Professor of Ecology, University of Alaska Anchorage. 2016.

ציטוט MLA

Polar Bears Matter / by Tammy Gagne ; Content Consultant, Dr. Jeff Welker, Fulbright Distinguished US Arctic Chair-Norway, Professor of Ecology, University of Alaska Anchorage. 2016.