APA-viite (7. p.)

Head, R. V. A guide to packaged systems. Wiley-Interscience a division of John Wiley.

Chicago-viite (17. p.)

Head, Robert V. A Guide to Packaged Systems. New York: Wiley-Interscience a division of John Wiley.

MLA-viite (9. p.)

Head, Robert V. A Guide to Packaged Systems. Wiley-Interscience a division of John Wiley.