Foss, G. (1991). How to paint: A course in the art of oil painting. Watson-Guptill.
Chicago-viite (17. p.)Foss, Gloria. How to Paint: A Course in the Art of Oil Painting. New York: Watson-Guptill, 1991.
MLA-viite (9. p.)Foss, Gloria. How to Paint: A Course in the Art of Oil Painting. Watson-Guptill, 1991.
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