GESECKE, F. E. (1967). Technical drawing.-- 5th ed. The Macmillan Company.
Cita Chicago (17th ed.)GESECKE, Frederick E. Technical Drawing.-- 5th Ed. New York: The Macmillan Company, 1967.
Cita MLA (9th ed.)GESECKE, Frederick E. Technical Drawing.-- 5th Ed. The Macmillan Company, 1967.
Atenció: Aquestes cites poden no estar 100% correctes.