Thomason, Sarah Grey
Los Angeles University of California Press, 1991
Buku Teks
Cambridge University Press, 2010
eBooks
Raymond Hickey, editor
Wiley-Blackwell, 2010
Buku Teks
Fahrizal, author
2001
UI - Tesis (Membership)
Andrea Nadhifa, author
Fakultas Ilmu Pengetahuan dan Budaya Universitas Indonesia, 2016
UI - Makalah dan Kertas Kerja