Cain, T. (2002). Outlook 2002 core: A professional approach. Glencoe/McGraw-Hill.
Cita Chicago (17th ed.)Cain, Thomas. Outlook 2002 Core: A Professional Approach. New York: Glencoe/McGraw-Hill, 2002.
Cita MLA (8th ed.)Cain, Thomas. Outlook 2002 Core: A Professional Approach. Glencoe/McGraw-Hill, 2002.
Atenció: Aquestes cites poden no estar 100% correctes.