Barbara B.H. Partee, A.G. ter Meulen, R. Wall,"Mathematical Methods in Linguistics (Studies in Linguistics and Philosophy)(語言研究的數學方法)"[4] (页面存档备份,存于互联网档案馆)[5] (页面存档备份,存于互联网档案馆),Springer,1/e 1993 edition(April 30, 1990). ISBN 9027722455 ,ISBN 978-9027722454
Elizabeth Zeitoun,Stacy Fang-ching Teng, and Raleigh Ferrell,"Reconstruction of '2' in PAn and Related Issues"[3][失效連結],Academia Sinica,Language and Linguistics/11.4:853-884,2010.
unimelb.edu.au
extranet.education.unimelb.edu.au
Vicki Steinle,"Problems for children from different backgrounds"[11]互联网档案馆的存檔,存档日期2016-03-16.,The University of Melbourne,Fri 21 September 2012.
upenn.edu
acl.ldc.upenn.edu
Barbara B.H. Partee, A.G. ter Meulen, R. Wall,"Mathematical Methods in Linguistics (Studies in Linguistics and Philosophy)(語言研究的數學方法)"[4] (页面存档备份,存于互联网档案馆)[5] (页面存档备份,存于互联网档案馆),Springer,1/e 1993 edition(April 30, 1990). ISBN 9027722455 ,ISBN 978-9027722454
Barbara B.H. Partee, A.G. ter Meulen, R. Wall,"Mathematical Methods in Linguistics (Studies in Linguistics and Philosophy)(語言研究的數學方法)"[4] (页面存档备份,存于互联网档案馆)[5] (页面存档备份,存于互联网档案馆),Springer,1/e 1993 edition(April 30, 1990). ISBN 9027722455 ,ISBN 978-9027722454