Jaruwan Tubtimon และผู้แต่งคนอื่นๆ. (2013) Taxonomy and karyotypes of freshwater leeches subfamily Hirudinae in the Northeastern Thailand. Chulalongkorn University.:ม.ป.ท.Jaruwan Tubtimon และผู้แต่งคนอื่นๆ. 2013. Taxonomy and karyotypes of freshwater leeches subfamily Hirudinae in the Northeastern Thailand. ม.ป.ท.:Chulalongkorn University.;Jaruwan Tubtimon และผู้แต่งคนอื่นๆ. Taxonomy and karyotypes of freshwater leeches subfamily Hirudinae in the Northeastern Thailand. ม.ป.ท.:Chulalongkorn University. 2013. Print.