HolgerH.WarnkHolgerH., The coming of Islam and Moluccan-Malay culture to New Guinea c.1500–1920, „Indonesia and the Malay World”, 38 (110), 2010, s. 109–134, DOI: 10.1080/13639811003665454, ISSN1363-9811, OCLC4839504188(ang.).
Paul MichaelP.M.TaylorPaul MichaelP.M., From mantra to mataráa: Opacity and Transparency in the Language of Tobelo Magic and Medicine (Halmahera Island, Indonesia), „Social Science & Medicine”, 27 (5), 1988, s. 425–436, DOI: 10.1016/0277-9536(88)90365-6, ISSN0277-9536, PMID: 3067356, OCLC115847538(ang.).
Paul MichaelP.M.TaylorPaul MichaelP.M., From mantra to mataráa: Opacity and Transparency in the Language of Tobelo Magic and Medicine (Halmahera Island, Indonesia), „Social Science & Medicine”, 27 (5), 1988, s. 425–436, DOI: 10.1016/0277-9536(88)90365-6, ISSN0277-9536, PMID: 3067356, OCLC115847538(ang.).
Ninuk Kleden Probonegoro, Sutamat Arybowo, Imelda, Fanny Henry Tondo: Studi awal bahasa & kebudayaan Gamkonora: ekologi bahasa di wilayah pesisir dan pedalaman. Jakarta: Lembaga Ilmu Pengetahuan Indonesia, 2010, s. 22. ISBN 978-979-799-583-6. OCLC714113574. (indonez.).
HolgerH.WarnkHolgerH., The coming of Islam and Moluccan-Malay culture to New Guinea c.1500–1920, „Indonesia and the Malay World”, 38 (110), 2010, s. 109–134, DOI: 10.1080/13639811003665454, ISSN1363-9811, OCLC4839504188(ang.).
Paul MichaelP.M.TaylorPaul MichaelP.M., From mantra to mataráa: Opacity and Transparency in the Language of Tobelo Magic and Medicine (Halmahera Island, Indonesia), „Social Science & Medicine”, 27 (5), 1988, s. 425–436, DOI: 10.1016/0277-9536(88)90365-6, ISSN0277-9536, PMID: 3067356, OCLC115847538(ang.).