APA (7e ed.) Bronvermelding
ebrary, Inc, & Billingshouse, S. I. (2009). Arctic National Wildlife Refuge: Issues and legislation. Nova Science Publishers.
Chicago (17e ed.) Bronvermelding
ebrary, Inc, en Sarah I. Billingshouse. Arctic National Wildlife Refuge: Issues and Legislation. New York: Nova Science Publishers, 2009.
MLA (9e ed.) Bronvermelding
ebrary, Inc, en Sarah I. Billingshouse. Arctic National Wildlife Refuge: Issues and Legislation. Nova Science Publishers, 2009.
Let op: Deze citaties zijn niet altijd 100% accuraat.