APA (7th ed.) Citation

Vangnai, S. (1977). Microbial transformation of sulfur in soil [microform]. Photoduplication Service. University of the Philippines Library.

Chicago Style (17th ed.) Citation

Vangnai, Somsak. Microbial Transformation of Sulfur in Soil [microform]. Quezon City: Photoduplication Service. University of the Philippines Library, 1977.

MLA (9th ed.) Citation

Vangnai, Somsak. Microbial Transformation of Sulfur in Soil [microform]. Photoduplication Service. University of the Philippines Library, 1977.

Warning: These citations may not always be 100% accurate.