Seasite Indonesia
- An extensive site for learning Bahasa Indonesia from Center for Southeast Asian Studies at Northern Illinois University. Features dictionaries, quizzes, audio lessons, and readings.
Ethnologue: Indonesia - Languages of Indonesia. Part of _Ethnologue: Languages of the World_, 13th Edition; Barbara F. Grimes, Editor; Summer Institute of Linguistics, 1996.
Indonesian Language - A description of Indonesian, including phonology, grammar and examples of foreign loan words.