Tolong jelaskan mengenai Rujukan dari Enggang belantara dalam bahasa melayu

Coates, Brian J. (1985): The Birds of Papua New Guinea (Vol.1: Non-Passerines). Penerbitan Dove, Alderley, Queensland, Australia.ISBN 0-9590257-0-7

Coates, Brian J. & Bishop, K. David (1997): A Guide to the Birds of Wallacea, Sulawesi, the Moluccas and Lesser Sunda Islands, Indonesia . Penerbitan Dove, Alderley, Queensland, Australia.ISBN 0-9590257-3-1

Majnep, Ian Saem & Bulmer, Ralph (1977): Birds of my Kalam Country . Auckland University Press, Auckland, New Zealand.

Steadman, David William (2006): Kepupusan dan Biogeografi Burung Pasifik Tropika . Universiti Chicago Press.ISBN 0-226-77142-3