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<xml><bibliography><APA>Narumon Phongpisitsakun และผู้แต่งคนอื่นๆ. (1997) One step synthesis of liquid crystalline copolymer directly from silica, catechol and 4-tert-catechol. Chulalongkorn University:ม.ป.ท.</APA><Chicago>Narumon Phongpisitsakun และผู้แต่งคนอื่นๆ. 1997. One step synthesis of liquid crystalline copolymer directly from silica, catechol and 4-tert-catechol. ม.ป.ท.:Chulalongkorn University;</Chicago><MLA>Narumon Phongpisitsakun และผู้แต่งคนอื่นๆ.  One step synthesis of liquid crystalline copolymer directly from silica, catechol and 4-tert-catechol.  ม.ป.ท.:Chulalongkorn University, 1997. Print.</MLA></bibliography></xml>
