Firpo, P., Alexander, L., & Katayanagi, C. (1978). Copyart: The first complete guide to the copy machine. Produced by Horseguard Lane Productions for R. Marek Publishers.
Chicago-viite (17. p.)Firpo, Patrick, Lester Alexander, ja Claudia Katayanagi. Copyart: The First Complete Guide to the Copy Machine. New York: Produced by Horseguard Lane Productions for R. Marek Publishers, 1978.
MLA-viite (9. p.)Firpo, Patrick, et al. Copyart: The First Complete Guide to the Copy Machine. Produced by Horseguard Lane Productions for R. Marek Publishers, 1978.
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