Παραπομπή APA

Baxter, R. E., & Philips, C. M. (1979). Ports and inland waterways and civil aviation. Pergamon press.

Παραπομπή Chicago Style

Baxter, R E., και Celia M. Philips. Ports and Inland Waterways and Civil Aviation. Oxford: Pergamon press, 1979.

Παραπομπή MLA

Baxter, R E., και Celia M. Philips. Ports and Inland Waterways and Civil Aviation. Pergamon press, 1979.