Cita APA

Nartea, R. N. (1977). Magnesium status of some Philippine soils [microform]. Photoduplication Service, University of the Philippines Library.

Citación estilo Chicago

Nartea, Roberts Negranza. Magnesium Status of Some Philippine Soils [microform]. Quezon City: Photoduplication Service, University of the Philippines Library, 1977.

Cita MLA

Nartea, Roberts Negranza. Magnesium Status of Some Philippine Soils [microform]. Photoduplication Service, University of the Philippines Library, 1977.