Παραπομπή APA

Welch, H. J. (1983). Transamerica delaval engineering. Mc Graw - Hill.

Παραπομπή Chicago Style

Welch, Herry J. Transamerica Delaval Engineering. New York: Mc Graw - Hill, 1983.

Παραπομπή MLA

Welch, Herry J. Transamerica Delaval Engineering. Mc Graw - Hill, 1983.