Παραπομπή APA

(1981). Inland & maritime waterways & ports-design-construction-operation. pergamon press.

Παραπομπή Chicago Style

Inland & Maritime Waterways & Ports-design-construction-operation. oxford: pergamon press, 1981.

Παραπομπή MLA

Inland & Maritime Waterways & Ports-design-construction-operation. pergamon press, 1981.