एपीए उद्धरण

Ketzner, K. (1977). The Language of the World. Routledge & Kegan Paul.

शिकागो स्टाइल उद्धरण

Ketzner, Kenneth. The Language of the World. London: Routledge & Kegan Paul, 1977.

एमएलए उद्धरण

Ketzner, Kenneth. The Language of the World. Routledge & Kegan Paul, 1977.