The Birds of the Thai-Malay Peninsula: Covering Burma and Thailand South of the Eleventh Parallel, Peninsular Malaysia and Singapore. David R. Wells , Philip D. Round , Uthai TreesuconA Guide to the Birds of Southeast Asia: Thailand, Peninsular Malaysia, Singapore, Myanmar, Laos, Vietnam, Cambodia. Craig RobsonA Field Guide to the Birds of West Malaysia and Singapore. Allen Jeyarajasingam , Alan Pearson