Gaya APA

Johnson, L, M, (, M, 1., Steffensen, A, R, 1. (1992). College algebra : a problem solving approach / Arnold R. Steffensen, L. Murphy Johnson (Ed.ke-2). New York: Harper Collins.

Gaya MLA

Johnson, L., Murphy, (Lee, Murphy,, 1934)., Steffensen, Arnold, R.,, 1942. "College algebra : a problem solving approach / Arnold R. Steffensen, L. Murphy Johnson". Ed.ke-2 New York: Harper Collins, 1992. Textbook.