Gray, A. W., & Ulm, O. M. (1975). Mathematics for College Students Elementary Concepts. Beverly Hills, California: Glencoe Press.
Chicago Style citaatGray, A. William, en Otis M. Ulm. Mathematics for College Students Elementary Concepts. Beverly Hills, California: Glencoe Press, 1975.
MLA citatieGray, A. William, en Otis M. Ulm. Mathematics for College Students Elementary Concepts. Beverly Hills, California: Glencoe Press, 1975.
Let op: Deze citaties zijn niet altijd 100% accuraat.