Cita APA (7a ed.)

Gregory, E. N., & Armstrong, A. A. (2005). Welding symbols on drawings. CRC Press ; Woodhead.

Cita Chicago Style (17a ed.)

Gregory, E. N., y A. A. Armstrong. Welding Symbols on Drawings. Boca Raton : Cambridge, England: CRC Press ; Woodhead, 2005.

Cita MLA (8a ed.)

Gregory, E. N., y A. A. Armstrong. Welding Symbols on Drawings. CRC Press ; Woodhead, 2005.