(1990). Reading construction drawings / Paul R. Wallach, Donald E. Hepler.
Cita Chicago (17th ed.)Reading Construction Drawings / Paul R. Wallach, Donald E. Hepler. 1990.
Cita MLA (9th ed.)Reading Construction Drawings / Paul R. Wallach, Donald E. Hepler. 1990.
Atenció: Aquestes cites poden no estar 100% correctes.