APA (7e ed.) Bronvermelding
Van Brummelen, G. (2013). Heavenly mathematics: The forgotten art of spherical trigonometry. Princeton University Press.
Chicago (17e ed.) Bronvermelding
Van Brummelen, Glen. Heavenly Mathematics: The Forgotten Art of Spherical Trigonometry. Princeton: Princeton University Press, 2013.
MLA (9e ed.) Bronvermelding
Van Brummelen, Glen. Heavenly Mathematics: The Forgotten Art of Spherical Trigonometry. Princeton University Press, 2013.
Let op: Deze citaties zijn niet altijd 100% accuraat.