एपीए उद्धरण

Layzer, D. (1990). Cosmogenesis: The growth of order in the universe. Oxford University Press.

शिकागो स्टाइल उद्धरण

Layzer, David. Cosmogenesis: The Growth of Order in the Universe. New York: Oxford University Press, 1990.

एमएलए उद्धरण

Layzer, David. Cosmogenesis: The Growth of Order in the Universe. Oxford University Press, 1990.