DJVU PDF Burton, E. 1969, "A brief sketch of Cua clause structure", in The Mon-Khmer Studies Journal, vol. 3, pp. 5-8. cite.

DJVU PDF Maier, J. 1969, "Cua phonemes", in The Mon-Khmer Studies Journal, vol. 3, pp. 9-19. cite.

DJVU PDF Sidwell, P. 2010, "Cua (Kor) historical phonology and classification", in The Mon-Khmer Studies Journal, vol. 39, pp. 105-122. cite.

DJVU PDF Smith, K. 1973, "Eastern North Bahnaric: Cua and Kơtua", in The Mon-Khmer Studies Journal, vol. 4, pp. 113-118. cite.