Παραπομπή APA

Barker, E. (1953). Introduction to Steel Shipbuilding. McGraw-Hill.

Παραπομπή Chicago Style

Barker, Elijah. Introduction to Steel Shipbuilding. New York: McGraw-Hill, 1953.

Παραπομπή MLA

Barker, Elijah. Introduction to Steel Shipbuilding. McGraw-Hill, 1953.