Allis,John de. (1500). Fonologi bahasa Angkola. Holt,Rinehart and winston.
Chicago Style CitationAllis,John de. Fonologi Bahasa Angkola. Holt,Rinehart and winston, 1500.
MLA CitationAllis,John de. Fonologi Bahasa Angkola. Holt,Rinehart and winston, 1500.
Warning: These citations may not always be 100% accurate.