Παραπομπή APA

Fishman, J. A., & Ferguson, C. A. G. (1968). Language Problems of Developing Nations. Wiley Eastern.

Παραπομπή Chicago Style

Fishman, Joshua A., και Charles A Gupta Ferguson. Language Problems of Developing Nations. New York: Wiley Eastern, 1968.

Παραπομπή MLA

Fishman, Joshua A., και Charles A Gupta Ferguson. Language Problems of Developing Nations. Wiley Eastern, 1968.