Hamid, A. (1991). The effect of management practices in intensive prawn culture on the organic matter level of the water ways, province of North Sumatra, Indonesia. College of Fisheries, University of the Philippines.
Lua i Stíl Chicago (17ú heag.)Hamid, Azwar. The Effect of Management Practices in Intensive Prawn Culture on the Organic Matter Level of the Water Ways, Province of North Sumatra, Indonesia. Iloilo: College of Fisheries, University of the Philippines, 1991.
Lua MLA (9ú heag.)Hamid, Azwar. The Effect of Management Practices in Intensive Prawn Culture on the Organic Matter Level of the Water Ways, Province of North Sumatra, Indonesia. College of Fisheries, University of the Philippines, 1991.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.