Παραπομπή APA

Crawford, J. (1981). Marine and offshore pumping and piping systems. Butterworths.

Παραπομπή Chicago Style

Crawford, J. Marine and Offshore Pumping and Piping Systems. London: Butterworths, 1981.

Παραπομπή MLA

Crawford, J. Marine and Offshore Pumping and Piping Systems. Butterworths, 1981.