Gaya APA

O'BRIEN, J, A., VANLENGEN, C, A. (1986). Study guide to accompany : computers and information processing with software tutorial and basic (2). Homewood, Illinois: Irwin.

Gaya MLA

O'BRIEN, James, A.., VANLENGEN, Craig, A.. "Study guide to accompany : computers and information processing with software tutorial and basic". 2 Homewood, Illinois: Irwin, 1986. Buku.