Altarejos, J. A. (1974). A scientific investigation on the effect of chicken manure fertilizer on the growth of some food plants [microform]. Photoduplication Service, University of the Philippines Library.
Chicago-referens (17:e uppl.)Altarejos, Josefina A. A Scientific Investigation on the Effect of Chicken Manure Fertilizer on the Growth of Some Food Plants [microform]. Quezon City: Photoduplication Service, University of the Philippines Library, 1974.
MLA-referens (9:e uppl.)Altarejos, Josefina A. A Scientific Investigation on the Effect of Chicken Manure Fertilizer on the Growth of Some Food Plants [microform]. Photoduplication Service, University of the Philippines Library, 1974.
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