Akbar, Osra M. and Ahmaddin, Syech and Fuad, Mahdy and Wahab, Siti Mariah. 1985. Sistem Perulangan Bahasa Alas. Jakarta: Pusat Pembinaan dan Pengembangan Bahasa.
@book{Akbar-et-al-1985, address = {Jakarta}, author = {Akbar, Osra M. and Ahmaddin, Syech and Fuad, Mahdy and Wahab, Siti Mariah}, publisher = {Pusat Pembinaan dan Pengembangan Bahasa}, title = {Sistem Perulangan Bahasa Alas}, year = {1985}, iso_code = {btz}, olac_field = {typology; general_linguistics; semantics; syntax}, wals_code = {alx} }