Celestino, A. F. (1977). The effects of irrigation, nitrogen fertilization and maleic hydrazide spray on the yield, composition and storage behavior of bulbs of two onion varieties [microform]. Photoduplication Service. University of the Philippines Library.
Chicago Style (17th ed.) CitationCelestino, Andres F. The Effects of Irrigation, Nitrogen Fertilization and Maleic Hydrazide Spray on the Yield, Composition and Storage Behavior of Bulbs of Two Onion Varieties [microform]. Quezon City: Photoduplication Service. University of the Philippines Library, 1977.
MLA (9th ed.) CitationCelestino, Andres F. The Effects of Irrigation, Nitrogen Fertilization and Maleic Hydrazide Spray on the Yield, Composition and Storage Behavior of Bulbs of Two Onion Varieties [microform]. Photoduplication Service. University of the Philippines Library, 1977.