Dyfyniad APA
Heilbrun, J., & Gray, C. M. (2001). The economics of art and culture (2nd ed.). Cambridge University Press.
Dyfyniad Arddull Chicago
Heilbrun, James, and Charles M. Gray. The Economics of Art and Culture. 2nd ed. New York: Cambridge University Press, 2001.
Dyfyniad MLA
Heilbrun, James, and Charles M. Gray. The Economics of Art and Culture. 2nd ed. Cambridge University Press, 2001.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.