Henry Ford Trade School, Anderson, J., & Tatro, E. E. (1968). Shop theory (5th ed.). McGraw-Hill.
Cita Chicago (17th ed.)Henry Ford Trade School, James Anderson, i Earl E. Tatro. Shop Theory. 5th ed. New York: McGraw-Hill, 1968.
Cita MLA (8th ed.)Henry Ford Trade School, et al. Shop Theory. 5th ed. McGraw-Hill, 1968.
Atenció: Aquestes cites poden no estar 100% correctes.