Ternes, Elmar and Vladimirova-Buhtz, Tatjana. 1990. Illustrations of the IPA: Bulgarian. Journal of the International Phonetic Association 20. 45–47. Cambridge University Press.
@article{bul_ternes1990,
author = {Ternes, Elmar and Vladimirova-Buhtz, Tatjana},
journal = {Journal of the International Phonetic Association},
number = {1},
pages = {45–47},
publisher = {Cambridge University Press},
title = {Illustrations of the IPA: Bulgarian},
volume = {20},
year = {1990}
}