Cita APA

Pei, M. A. 1., & Pei, M. A. 1. (1989). The story of language. Philadelphia: J. B. Lippincott Company.

Citación estilo Chicago

Pei, Mario Andrew 1901-1978, y Mario Andrew 1901-1978 Pei. The Story of Language. Philadelphia: J. B. Lippincott Company, 1989.

Cita MLA

Pei, Mario Andrew 1901-1978, y Mario Andrew 1901-1978 Pei. The Story of Language. Philadelphia: J. B. Lippincott Company, 1989.