Foss, G. (1991). How to paint: A course in the art of oil painting. Watson-Guptill.
Cita Chicago (17th ed.)Foss, Gloria. How to Paint: A Course in the Art of Oil Painting. New York: Watson-Guptill, 1991.
Cita MLA (9th ed.)Foss, Gloria. How to Paint: A Course in the Art of Oil Painting. Watson-Guptill, 1991.
Atenció: Aquestes cites poden no estar 100% correctes.