De la Rosa, Z. M. (1979). Plant population density and cultural management scheme for grain sorghum and legume intercrops [microform]. Photoduplication Service. University of the Philippines Library.
Chicago Style (17. basım) AtıfDe la Rosa, Zosimo Mazo. Plant Population Density and Cultural Management Scheme for Grain Sorghum and Legume Intercrops [microform]. Quezon City: Photoduplication Service. University of the Philippines Library, 1979.
MLA (9th ed.) AtıfDe la Rosa, Zosimo Mazo. Plant Population Density and Cultural Management Scheme for Grain Sorghum and Legume Intercrops [microform]. Photoduplication Service. University of the Philippines Library, 1979.
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