APA-viite (7. p.)
St. Clair, G. (1993). Customer service in the information environment. Bowker-Saur.
Chicago-viite (17. p.)
St. Clair, Guy. Customer Service in the Information Environment. London ; New Jersey: Bowker-Saur, 1993.
MLA-viite (9. p.)
St. Clair, Guy. Customer Service in the Information Environment. Bowker-Saur, 1993.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.