朱丽岩. (2016). 北极熊: Polar bear. 青岛出版社.
Chicago Style (17th ed.) Citation朱丽岩. 北极熊: Polar Bear. 青岛出版社, 2016.
MLA (8th ed.) Citation朱丽岩. 北极熊: Polar Bear. 青岛出版社, 2016.
Advarsel: Disse citationer er muligvist ikke 100% nøjagtige.
APA (7th ed.) Citation