Παραπομπή APA

Collins, S., Ghey, J., & Mills, G. (1989). The professional engineer in society: A textbook for engineering students. London: Jessica Kingsley Publishers.

Παραπομπή Chicago Style

Collins, Stephen, John Ghey, and Graham Mills. The Professional Engineer in Society: A Textbook for Engineering Students. London: Jessica Kingsley Publishers, 1989.

Παραπομπή MLA

Collins, Stephen, John Ghey, and Graham Mills. The Professional Engineer in Society: A Textbook for Engineering Students. London: Jessica Kingsley Publishers, 1989.

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