Charles E. Grimes: Defining speech communities on Buru Island: a look at both linguistic and non-linguistic factors. W: Charles E. Grimes (red.): Spices from the East: Papers in Languages of Eastern Indonesia. Canberra: Pacific Linguistics. Research School of Pacific and Asian Studies. The Australian National University, 2000, s. 73–103, seria: Pacific Linguistics 503. DOI: 10.15144/PL-503.73. ISBN 978-0-85883-460-6. OCLC46827844. (ang.).
Charles E. Grimes: Defining speech communities on Buru Island: a look at both linguistic and non-linguistic factors. W: Charles E. Grimes (red.): Spices from the East: Papers in Languages of Eastern Indonesia. Canberra: Pacific Linguistics. Research School of Pacific and Asian Studies. The Australian National University, 2000, s. 73–103, seria: Pacific Linguistics 503. DOI: 10.15144/PL-503.73. ISBN 978-0-85883-460-6. OCLC46827844. (ang.).