Buku Teks
Engel, Heinrich
Tokyo, Charles E. Tuttle, 1983
Buku Teks
edited by Graeme Brooker and Lois Weinthal
Bloomsbury Academic, 2013
Buku Teks
Pile, John F., author
Wiley, 2000
Buku Teks
Ching, Francis D.K., 1943-, author
John Wiley & Sons, 1987
Buku Teks