Spence, A. (1989). Crab and lobster fishing. Fishing News Books Ltd.
Cita Chicago (17th ed.)Spence, Alan. Crab and Lobster Fishing. Farham, Surry, England: Fishing News Books Ltd, 1989.
Cita MLA (9th ed.)Spence, Alan. Crab and Lobster Fishing. Fishing News Books Ltd, 1989.
Atenció: Aquestes cites poden no estar 100% correctes.