Lua APA (7ú heag.)

GIACHINO, J., & BEUKEMA, H. J. (1972). Engineering technical: Drafting and graphics.--ed.3. American Technical Society.

Lua i Stíl Chicago (17ú heag.)

GIACHINO, J.W, agus Henry J. BEUKEMA. Engineering Technical: Drafting and Graphics.--ed.3. Chicago: American Technical Society, 1972.

Lua MLA (9ú heag.)

GIACHINO, J.W, agus Henry J. BEUKEMA. Engineering Technical: Drafting and Graphics.--ed.3. American Technical Society, 1972.

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