Rujukan

Rujukan

·         http://ibnumasri.blogspot.com/

·         http://www.waletku.com/

·         http://www.waletonline.com/

·         http://www.suaramedia.com

·         http://www.kerincigoogle.com/2011/04/inilah-manfaat-dahsyat-air-liur-burung.html

·         http://www.fama.gov.my/web/guest/120

·         http://pertubuhanpeladang.com.my/sgketereh/index.php?option=com_content&view=article&id=125&Itemid=165

·         Jeanie Mackay,’Swifts and Trade’, Ted case study, at http://www.america.edu/ted/SWIFT.HTM, pada pebruari 3 2008.

·         John Mackinnon dan Karen Phillipps, ‘A field guide to the birds of Borneo, Sumatra, Java and Bali, Oxford university press, 1993, p. 202-203

·         ‘Panduan Praktis Sukses Memikat Walet’, Redaksi Trubus, 2005, p.119.