Luzadder, W. J. (1977). Fundamentals of engineering drawing: For design, product development, and numerical control (7a. ed.). Prentice-Hall.
Cita Chicago (17th ed.)Luzadder, Warren Jacob. Fundamentals of Engineering Drawing: For Design, Product Development, and Numerical Control. 7a. ed. Englewood Cliffs: Prentice-Hall, 1977.
Cita MLA (9th ed.)Luzadder, Warren Jacob. Fundamentals of Engineering Drawing: For Design, Product Development, and Numerical Control. 7a. ed. Prentice-Hall, 1977.
Atenció: Aquestes cites poden no estar 100% correctes.