APA (7e ed.) Bronvermelding

Baker, J. (2013). 50 universe ideas you really need to know. Published for Barnes & Noble, Inc. by Quercus Editions Ltd..

Chicago (17e ed.) Bronvermelding

Baker, Joanne. 50 Universe Ideas You Really Need to Know. London: Published for Barnes & Noble, Inc. by Quercus Editions Ltd., 2013.

MLA (9e ed.) Bronvermelding

Baker, Joanne. 50 Universe Ideas You Really Need to Know. Published for Barnes & Noble, Inc. by Quercus Editions Ltd., 2013.