Dvorak, R. R. (1991). Experiential drawing. Crisp Publications.
Cita Chicago (17th ed.)Dvorak, Robert Regis. Experiential Drawing. Los Altos, Calif.: Crisp Publications, 1991.
Cita MLA (9th ed.)Dvorak, Robert Regis. Experiential Drawing. Crisp Publications, 1991.
Atenció: Aquestes cites poden no estar 100% correctes.