Gaya APA

KOENIG, A, S, R, G, A, D, R. (2011). BASIC MATHEMATICS FOR COLLEGE STUDENTS (Ed. 4). USA: Brooks/ Cole Publishing Company.

Gaya MLA

KOENIG, ALAN, S.TUSSY,, R.DAVID, GUSTAFSON, And, DIANE, R.. "BASIC MATHEMATICS FOR COLLEGE STUDENTS". Ed. 4 USA: Brooks/ Cole Publishing Company, 2011. Text.