Παραπομπή APA

Gerr, D. (1989). Propeller handbook: :the complete reference for choosing, installing and understanding boat propellers. Adlard coles nautical.

Παραπομπή Chicago Style

Gerr, Dave. Propeller Handbook: :the Complete Reference for Choosing, Installing and Understanding Boat Propellers. London: Adlard coles nautical, 1989.

Παραπομπή MLA

Gerr, Dave. Propeller Handbook: :the Complete Reference for Choosing, Installing and Understanding Boat Propellers. Adlard coles nautical, 1989.