Dyfyniad APA

Lewis, D. (1983). Watercolor painting techniques. Watson-Guptill Publications.

Dyfyniad Arddull Chicago

Lewis, David. Watercolor Painting Techniques. New York: Watson-Guptill Publications, 1983.

Dyfyniad MLA

Lewis, David. Watercolor Painting Techniques. Watson-Guptill Publications, 1983.

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