Kristjonsson, H. (1971). Modern fishing gear of the world: Fish finding, purse seining, aimed trawling. Fishing News Books.
Cita Chicago (17th ed.)Kristjonsson, Hilmar. Modern Fishing Gear of the World: Fish Finding, Purse Seining, Aimed Trawling. Londres: Fishing News Books, 1971.
Cita MLA (9th ed.)Kristjonsson, Hilmar. Modern Fishing Gear of the World: Fish Finding, Purse Seining, Aimed Trawling. Fishing News Books, 1971.
Atenció: Aquestes cites poden no estar 100% correctes.