Cita APA

Graham, F. D. n. 1., & Graham, F. D. n. 1. (1949). Audels welders guide: Questions and answers. New York, New York: T Audel.

Citación estilo Chicago

Graham, Frank Duncan n. 1875, y Frank Duncan n. 1875 Graham. Audels Welders Guide: Questions and Answers. New York, New York: T Audel, 1949.

Cita MLA

Graham, Frank Duncan n. 1875, y Frank Duncan n. 1875 Graham. Audels Welders Guide: Questions and Answers. New York, New York: T Audel, 1949.