APA aipamena

Katzner, K. (2002). Language of the world (3rd ed.). Routledge.

Chicago Style aipamena

Katzner, Kenneth. Language of the World. 3rd ed. London: Routledge, 2002.

MLA aipamena

Katzner, Kenneth. Language of the World. 3rd ed. Routledge, 2002.