De la Cruz, A. Q. (1982). The production of four field crops in a chromolaena odorata (L.) R.N. King and H. Robinson infested field [microform]. University of the Philippines Library.
Citace podle Chicago (17th ed.)De la Cruz, Anselmo Q. The Production of Four Field Crops in a Chromolaena Odorata (L.) R.N. King and H. Robinson Infested Field [microform]. Quezon City: University of the Philippines Library, 1982.
Citace podle MLA (9th ed.)De la Cruz, Anselmo Q. The Production of Four Field Crops in a Chromolaena Odorata (L.) R.N. King and H. Robinson Infested Field [microform]. University of the Philippines Library, 1982.
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