एपीए उद्धरण

M.Walker Robert. (1966). The world around you. New York: A Ladder Edition.

शिकागो स्टाइल उद्धरण

M.Walker Robert. The World Around You. New York: A Ladder Edition, 1966.

एमएलए उद्धरण

M.Walker Robert. The World Around You. New York: A Ladder Edition, 1966.