APA (7e ed.) Bronvermelding

SOBEL, M. A., & LERNER, N. (1986). Algebra for college students: An intermediate approach. Prentice hall.

Chicago (17e ed.) Bronvermelding

SOBEL, Max A., en Norbert LERNER. Algebra for College Students: An Intermediate Approach. New Jersey: Prentice hall, 1986.

MLA (9e ed.) Bronvermelding

SOBEL, Max A., en Norbert LERNER. Algebra for College Students: An Intermediate Approach. Prentice hall, 1986.