(1992). National profile of information services in aquaculture. Maryland: National Agricultural Library.
استشهاد بنمط شيكاغوNational Profile of Information Services in Aquaculture. Maryland: National Agricultural Library, 1992.
MLA استشهادNational Profile of Information Services in Aquaculture. Maryland: National Agricultural Library, 1992.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.