Παραπομπή APA

Roorda, A. (1957). Small sea going craft and vessels for inland navigation. Technical publishing company.

Παραπομπή Chicago Style

Roorda, A. Small Sea Going Craft and Vessels for Inland Navigation. Holland: Technical publishing company, 1957.

Παραπομπή MLA

Roorda, A. Small Sea Going Craft and Vessels for Inland Navigation. Technical publishing company, 1957.