Gaya APA

Calder, N. (2005). Boatowner's Mechanical and Electrical Manual: How to Maintain, Repair and Improve Your Boat's Essential Systems . United States America: International Marine/Ragged Mountain Press.

Gaya MLA

Calder, Nigel. "Boatowner's Mechanical and Electrical Manual: How to Maintain, Repair and Improve Your Boat's Essential Systems". United States America: International Marine/Ragged Mountain Press, 2005. Electronic Resource.