APA (7th ed.) Zitazioa
Pei, M. (1969). What's in a word?: Language: yesterday, today, and tomorrow. Hawthorn Books.
Chicago Style (17th ed.) Zitazioa
Pei, Mario. What's in a Word?: Language: Yesterday, Today, and Tomorrow. New York, USA: Hawthorn Books, 1969.
MLA (9th ed.) Zitazioa
Pei, Mario. What's in a Word?: Language: Yesterday, Today, and Tomorrow. Hawthorn Books, 1969.
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