Dyfyniad APA

Atkins, P. W. (1995). The periodic Kingdom. New York: A Division of HarperCollins publishers, Inc.

Dyfyniad Arddull Chicago

Atkins, P. W. The Periodic Kingdom. New York: A Division of HarperCollins publishers, Inc, 1995.

Dyfyniad MLA

Atkins, P. W. The Periodic Kingdom. New York: A Division of HarperCollins publishers, Inc, 1995.

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