Goudswaard, Nelleke. 2005. The Begak (Ida'an) Language of Sabah. 107. (Doctoral dissertation, Vrije Universiteit Amsterdam; xix+520pp.)
http://www.lotpublications.nl/publish/issues/Goudswaard/index.html
@phdthesis{dryerorder-hhgGoudswaardBegak,
address = {Utrecht},
author = {Goudswaard, Nelleke},
key = {Goudswaard 2005},
pages = {xix+520},
school = {Vrije Universiteit Amsterdam},
series = {LOT Dissertation Series},
title = {The Begak (Ida'an) Language of Sabah},
url = {http://www.lotpublications.nl/publish/issues/Goudswaard/index.html},
volume = {107},
year = {2005}
}