Mead, David and Myung-young Lee 2007. Mapping Indonesian Bajau Communities in Sulawesi. SIL Electronic Survey Reports 2007-019.
Pallesen, A. Kemp. 1985. Culture contact and language convergence. Philippine journal of linguistics: special monograph issue, 24. Manila: Linguistic Society of the Philippines.
Youngman, Scott. 2005. Summary of Bajau Lexicostatistics Project (through October 1989). SIL International. (word lists of 16 Indonesian Bajau varieties spoken in Sulawesi)