Adan, W. R. (1980). Fishpond cooperators as communication links of improved fishpond practices [microform]. Photoduplication Service. University of the Philippines Library.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিAdan, William R. Fishpond Cooperators as Communication Links of Improved Fishpond Practices [microform]. Quezon City: Photoduplication Service. University of the Philippines Library, 1980.
M.L.A (9 ম সংস্করণ) উদ্ধৃতিAdan, William R. Fishpond Cooperators as Communication Links of Improved Fishpond Practices [microform]. Photoduplication Service. University of the Philippines Library, 1980.
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