Cita APA (7a ed.)

Giachino, J. W., & Beukema, H. J. (1978). Engineering technical drafting (4th ed.). American Tech.

Cita Chicago Style (17a ed.)

Giachino, Joseph William, y Henry John Beukema. Engineering Technical Drafting. 4th ed. Chicago: American Tech, 1978.

Cita MLA (9a ed.)

Giachino, Joseph William, y Henry John Beukema. Engineering Technical Drafting. 4th ed. American Tech, 1978.