Dyfyniad APA

Johnson, H. (1979). The principles of gardening: The classic guide to the gardeners art. Simon and Schuster.

Dyfyniad Arddull Chicago

Johnson, Hugh. The Principles of Gardening: The Classic Guide to the Gardeners Art. New York: Simon and Schuster, 1979.

Dyfyniad MLA

Johnson, Hugh. The Principles of Gardening: The Classic Guide to the Gardeners Art. Simon and Schuster, 1979.

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