Stitt, F. A. (1998). Working drawing manual. McGraw-Hill.
Cita Chicago (17th ed.)Stitt, Fred A. Working Drawing Manual. New York: McGraw-Hill, 1998.
Cita MLA (9th ed.)Stitt, Fred A. Working Drawing Manual. McGraw-Hill, 1998.
Atenció: Aquestes cites poden no estar 100% correctes.