APA-referens (7:e uppl.)

JOHNSON, R. E. (1977). Algebra 1: A-two part course. Addison-wesley pub.

Chicago-referens (17:e uppl.)

JOHNSON, Richard E. Algebra 1: A-two Part Course. California: Addison-wesley pub, 1977.

MLA-referens (9:e uppl.)

JOHNSON, Richard E. Algebra 1: A-two Part Course. Addison-wesley pub, 1977.