Raphael Gasson. (1970). the challenging counterfeit. Pyramid Books.
Cita Chicago (17th ed.)Raphael Gasson. The Challenging Counterfeit. New York: Pyramid Books, 1970.
Cita MLA (9th ed.)Raphael Gasson. The Challenging Counterfeit. Pyramid Books, 1970.
Atenció: Aquestes cites poden no estar 100% correctes.