Shupe, H. W., & Machovina, P. E. (1956). Manual of engineering geometry and graphics for students and draftsmen.
استشهاد بنمط شيكاغوShupe, Hollie W., و Paul E. Machovina. Manual of Engineering Geometry and Graphics for Students and Draftsmen. McGraw-Hill book Co, Inc, New York, 1956.
MLA استشهادShupe, Hollie W., و Paul E. Machovina. Manual of Engineering Geometry and Graphics for Students and Draftsmen. 1956.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.