Mentor book, 1956
Buku Referensi
Garry L. Hagberg and Walter Jost, editors
Wiley Balckwell, 2010
Buku Teks
edited by Bruce Clarke, Manuela Rossini
Cambridge University Press, 2017
Buku Teks
Yingjin Zhang
Wiley Blackwell, 2016
Buku Teks
Shirley Chew, David Richards
West Sussex John Wiley & Sons Inc., 2014
Buku Teks