Παραπομπή APA

Porges, W. T. (1963). The merchant shipping acts (6th ed.). Stevens.

Παραπομπή Chicago Style

Porges, Waldo Thomas. The Merchant Shipping Acts. 6th ed. London: Stevens, 1963.

Παραπομπή MLA

Porges, Waldo Thomas. The Merchant Shipping Acts. 6th ed. Stevens, 1963.