Dyfyniad APA

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

Dyfyniad Arddull Chicago

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

Dyfyniad MLA

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

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.