APA (7e ed.) Bronvermelding
Braver, S. (2011). Lobachevski illuminated. Mathematical Association of America.
Chicago (17e ed.) Bronvermelding
Braver, Seth. Lobachevski Illuminated. [Washington, D.C.]: Mathematical Association of America, 2011.
MLA (9e ed.) Bronvermelding
Braver, Seth. Lobachevski Illuminated. Mathematical Association of America, 2011.
Let op: Deze citaties zijn niet altijd 100% accuraat.