Gaya APA

Steffensen, A, R, 1., Johnson, L, M, (, M, 1. (28). Intermediate algebra / Arnold R. Steffensen, L. Murphy Johnson (Ed.ke-4). New York: Harper Collins Publishers.

Gaya MLA

Steffensen, Arnold, R.,, 1942., Johnson, L., Murphy, (Lee, Murphy,, 1934). "Intermediate algebra / Arnold R. Steffensen, L. Murphy Johnson". Ed.ke-4 New York: Harper Collins Publishers, 28. Textbook.