APA
Grenoble L. A. e., Whaley L. J. e., . (1998). Endangered languages. New York: Cambridge University Press.
Chicago
Grenoble Lenore A ed, Whaley Lindsay J ed, . 1998. Endangered languages. New York: Cambridge University Press.
Harvard
Grenoble L. A. e., Whaley L. J. e., . (1998). Endangered languages. New York: Cambridge University Press.
MLA
Grenoble Lenore A ed, Whaley Lindsay J ed, . Endangered languages. New York: Cambridge University Press. 1998.