Cita APA

Crystal, D. (1997). English as a global language. Univ. Pr.

Citación estilo Chicago

Crystal, David. English as a Global Language. Cam.: Univ. Pr, 1997.

Cita MLA

Crystal, David. English as a Global Language. Univ. Pr, 1997.

Warning: These citations may not always be 100% accurate.