APA
Kaufmann J. E., . (1989). Elementary algebra for college students. Boston: PWS-KENT Pub. Co.
Chicago
Kaufmann Jerome E, . 1989. Elementary algebra for college students. Boston: PWS-KENT Pub. Co.
Harvard
Kaufmann J. E., . (1989). Elementary algebra for college students. Boston: PWS-KENT Pub. Co.
MLA
Kaufmann Jerome E, . Elementary algebra for college students. Boston: PWS-KENT Pub. Co. 1989.