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Gaya APA
Pangan, P, T.(1991).Sumber Pertumbuhan Produksi Padi dan Kedelai : Potensi dan Peluang .Jakarta:Departemen Pertanian.
Gaya MLA
Pangan, Puslitbang, Tanaman."Sumber Pertumbuhan Produksi Padi dan Kedelai : Potensi dan Peluang".Jakarta:Departemen Pertanian,1991.Text.