Kristjonsson, H. (1971). Modern fishing gear of the world: Fish finding, purse seining, aimed trawling. Fishing News Books.
Citazione stile Chigago Style (17a edizione)Kristjonsson, Hilmar. Modern Fishing Gear of the World: Fish Finding, Purse Seining, Aimed Trawling. Londres: Fishing News Books, 1971.
Citatione MLA (9a ed.)Kristjonsson, Hilmar. Modern Fishing Gear of the World: Fish Finding, Purse Seining, Aimed Trawling. Fishing News Books, 1971.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.