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<xml><bibliography><APA>Nguyen และผู้แต่งคนอื่นๆ. (1999) Development of evaluation criteria for blown film with polyethylene resin. Chulalongkorn University:ม.ป.ท.</APA><Chicago>Nguyen และผู้แต่งคนอื่นๆ. 1999. Development of evaluation criteria for blown film with polyethylene resin. ม.ป.ท.:Chulalongkorn University;</Chicago><MLA>Nguyen และผู้แต่งคนอื่นๆ.  Development of evaluation criteria for blown film with polyethylene resin.  ม.ป.ท.:Chulalongkorn University, 1999. Print.</MLA></bibliography></xml>
