Houghton Mifflin Company. (2004). The American Heritage College Thesaurus. Houghton Mifflin Company.
Chicago-viite (17. p.)Houghton Mifflin Company. The American Heritage College Thesaurus. España: Houghton Mifflin Company, 2004.
MLA-viite (8. p.)Houghton Mifflin Company. The American Heritage College Thesaurus. Houghton Mifflin Company, 2004.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.