APA

Nettle D., Romaine S., . (2000). Vanishing voices : the extinction of the world's languages. New York: Oxford University.

Chicago

Nettle Daniel, Romaine Suzanne, . 2000. Vanishing voices : the extinction of the world's languages. New York: Oxford University.

Harvard

Nettle D., Romaine S., . (2000). Vanishing voices : the extinction of the world's languages. New York: Oxford University.

MLA

Nettle Daniel, Romaine Suzanne, . Vanishing voices : the extinction of the world's languages. New York: Oxford University. 2000.