APA-referens (7:e uppl.)
Pei, M. (1969). What's in a word?: Language: yesterday, today, and tomorrow. Hawthorn Books.
Chicago-referens (17:e uppl.)
Pei, Mario. What's in a Word?: Language: Yesterday, Today, and Tomorrow. New York, USA: Hawthorn Books, 1969.
MLA-referens (9:e uppl.)
Pei, Mario. What's in a Word?: Language: Yesterday, Today, and Tomorrow. Hawthorn Books, 1969.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.