APA (7e ed.) Bronvermelding
Angel, A. R. (1992). Elementary algebra for college students (3rd ed.). Prentice hall.
Chicago (17e ed.) Bronvermelding
Angel, Allen R. Elementary Algebra for College Students. 3rd ed. New Jersey: Prentice hall, 1992.
MLA (9e ed.) Bronvermelding
Angel, Allen R. Elementary Algebra for College Students. 3rd ed. Prentice hall, 1992.
Let op: Deze citaties zijn niet altijd 100% accuraat.