Batugal, P. A. (1977). The effects of light intensity and carbon dioxide concentration on photosynthesis in the castor (Ricinus communis Linn.) leaf under Los Banos field conditions [microform]. Photoduplication Service. University of the Philippines Library.
Chicago Style (17th ed.) CitationBatugal, Ponciano Abedes. The Effects of Light Intensity and Carbon Dioxide Concentration on Photosynthesis in the Castor (Ricinus Communis Linn.) Leaf Under Los Banos Field Conditions [microform]. Quezon City: Photoduplication Service. University of the Philippines Library, 1977.
MLA (9th ed.) CitationBatugal, Ponciano Abedes. The Effects of Light Intensity and Carbon Dioxide Concentration on Photosynthesis in the Castor (Ricinus Communis Linn.) Leaf Under Los Banos Field Conditions [microform]. Photoduplication Service. University of the Philippines Library, 1977.