APA-viite (7. p.)
Hansal, A. (2011). Oracle Siebel CRM 8 developer's handbook: A practical guide to configuring, automating, and extending Siebel CRM applications. Packt Enterprise.
Chicago-viite (17. p.)
Hansal, Alexander. Oracle Siebel CRM 8 Developer's Handbook: A Practical Guide to Configuring, Automating, and Extending Siebel CRM Applications. Birmingham, U.K.: Packt Enterprise, 2011.
MLA-viite (9. p.)
Hansal, Alexander. Oracle Siebel CRM 8 Developer's Handbook: A Practical Guide to Configuring, Automating, and Extending Siebel CRM Applications. Packt Enterprise, 2011.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.