Layese, M. F. (1976). Evaluation of some phosphorous tests for lowland rice soils [microform]. Photoduplication Service,University of the Philippines Library.
Chicago-referens (17:e uppl.)Layese, Milegua Fernandez. Evaluation of Some Phosphorous Tests for Lowland Rice Soils [microform]. Quezon City: Photoduplication Service,University of the Philippines Library, 1976.
MLA-referens (9:e uppl.)Layese, Milegua Fernandez. Evaluation of Some Phosphorous Tests for Lowland Rice Soils [microform]. Photoduplication Service,University of the Philippines Library, 1976.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.