Per Sparre. (1989). FAO fisheries technical paper N.306.1: Introduction to tropical fish stock assessment, part 1: Manual. Rome: FAO.
استشهاد بنمط شيكاغوPer Sparre. FAO Fisheries Technical Paper N.306.1: Introduction to Tropical Fish Stock Assessment, Part 1: Manual. Rome: FAO, 1989.
MLA استشهادPer Sparre. FAO Fisheries Technical Paper N.306.1: Introduction to Tropical Fish Stock Assessment, Part 1: Manual. Rome: FAO, 1989.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.