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McGregor, William B. 2010. The semantics, pragmatics and evolution of two verbless negative constructions in Nyulnyul. Oceanic Linguistics 49(1):205-232.
Stokes, Bronwyn. 1982. A description of Nyigina, a language of the West Kimberley, Western Australia (MFE/B52), Australian National University: PhD. (MFE/B52).
McGregor, William. 1988 Handbook of Kimberley Languages. Canberra: Pacific Linguistics. © Author.
AIATSIS gratefully acknowledge William McGregor for permission to use his material in AUSTLANG.