Gelderen, Elly van, author
Cambridge University Press, 2013
Buku Teks
Heustis, George
New York International Journal of American Linguistics 1963
Buku Teks
Dik, S.C. (Simon Cornelis), author
Foris, 1989
Buku Teks
Sportiche, Dominique
Routledge, 1998
Buku Teks
Artikel Jurnal