Dancygier, Barbara. 1985. If, unless and their Polish equivalents. Papers and studies in contrastive linguistics 20. 65–72.
@article{kortmannadverbial-Dancygier1985,
author = {Dancygier, Barbara},
journal = {Papers and studies in contrastive linguistics},
pages = {65–72},
title = {If, unless and their Polish equivalents},
volume = {20},
year = {1985}
}