Prapassorn Boonsoongnern,Prapassorn Boonsoongnern..[et al.]. 2008. Gross anatomical and histological study on digestive organs of the edible-nest swiflets. [Collocalia fuciphage]. Bangkok:Department of Anatomy Kasetsart University;

Prapassorn Boonsoongnern,Prapassorn Boonsoongnern..[et al.]. Gross anatomical and histological study on digestive organs of the edible-nest swiflets. [Collocalia fuciphage]. Bangkok:Department of Anatomy Kasetsart University, 2008. Print.

Prapassorn Boonsoongnern,Prapassorn Boonsoongnern..[et al.]. (2008) Gross anatomical and histological study on digestive organs of the edible-nest swiflets. [Collocalia fuciphage]. Department of Anatomy Kasetsart University:Bangkok.