Orejana, R. D. (1979). A study of the scientific information needs and literature use of researchers at the Aquaculture Department, Southeast Asian Fisheries Development Center, Tigbauan, Iloilo, Philippines [microform]. Photoduplication Service. University of the Philippines Library.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Orejana, Rebecca Dacanay. A Study of the Scientific Information Needs and Literature Use of Researchers at the Aquaculture Department, Southeast Asian Fisheries Development Center, Tigbauan, Iloilo, Philippines [microform]. Quezon City: Photoduplication Service. University of the Philippines Library, 1979.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Orejana, Rebecca Dacanay. A Study of the Scientific Information Needs and Literature Use of Researchers at the Aquaculture Department, Southeast Asian Fisheries Development Center, Tigbauan, Iloilo, Philippines [microform]. Photoduplication Service. University of the Philippines Library, 1979.