Παραπομπή APA

Smith, D. W. (1983). Marine auxiliary machinery (Ed.6.). Butterworths.

Παραπομπή Chicago Style

Smith, David W. Marine Auxiliary Machinery. Ed.6. London: Butterworths, 1983.

Παραπομπή MLA

Smith, David W. Marine Auxiliary Machinery. Ed.6. Butterworths, 1983.