Cita APA (7th ed.)

Sales, H. E. (2006). Professional communication in engineering (1a. ed.). Palgrave Macmillan.

Cita Chicago (17th ed.)

Sales, Hazel E. Professional Communication in Engineering. 1a. ed. Hampshire, United Kingdom: Palgrave Macmillan, 2006.

Cita MLA (9th ed.)

Sales, Hazel E. Professional Communication in Engineering. 1a. ed. Palgrave Macmillan, 2006.