朱丽岩. (2016). 北极熊: Polar bear. 青岛出版社.
Lua i Stíl Chicago (17ú heag.)朱丽岩. 北极熊: Polar Bear. 青岛出版社, 2016.
Lua MLA (8ú heag.)朱丽岩. 北极熊: Polar Bear. 青岛出版社, 2016.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.
Lua APA (7ú heag.)