Coba jelasin Rujukan dari Formasi Mangga dalam bahasa melayu dong

MacDonald, S., 1955. Brief notes on the geology of the valleys of the Pergau and Lebir, Kelantan. Geological Survey, Federation of Malaya (unpublished).

The Malaysia-Thailand Border Joint Geological Survey Committee (MT-JGSC), 2006. Geology of the Batu Melintang - Sungai Kolok transect area along the Malaysia - Thailand border. Minerals and Geoscience Department Malaysia.