Boush, Al. 1975. Tifal Grammar Essentials. Ukarumpa, Papua New Guinea: Unpublished Typescript, The Summer Institute of Linguistics. 80pp.
@misc{dryerorder-hhsBoushTifal,
author = {Boush, Al},
howpublished = {Ukarumpa, Papua New Guinea: Unpublished Typescript, The Summer Institute of Linguistics},
key = {Boush 1975},
pages = {80},
title = {Tifal Grammar Essentials},
year = {1975}
}