APA aipamena

Kipfer, B. A. (1993). Roget's 21st century thesaurus. New York: The Philip Lief Group.

Chicago Style aipamena

Kipfer, Barbara Ann. Roget's 21st Century Thesaurus. New York: The Philip Lief Group, 1993.

MLA aipamena

Kipfer, Barbara Ann. Roget's 21st Century Thesaurus. New York: The Philip Lief Group, 1993.