Gerr, D. (1989). Propeller handbook: : the complete reference for choosing, installing, and understanding boat propellers. London: Nautical Books.
Παραπομπή Chicago StyleGerr, Dave. Propeller Handbook: : The Complete Reference for Choosing, Installing, and Understanding Boat Propellers. London: Nautical Books, 1989.
Παραπομπή MLAGerr, Dave. Propeller Handbook: : The Complete Reference for Choosing, Installing, and Understanding Boat Propellers. London: Nautical Books, 1989.
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