Davis, Jack, author
University Press of America, 1981
Buku Teks
Harsja W. Bachtiar, 1934-, author
LIPI, 1973
Buku Teks
O`Donnell, Angela M., author
John Wiley & Sons, 2012
Buku Teks
editor, Eilean Hooper-Greenhill
Routledge, 1996
Buku Referensi
edited by Hans F. Crombag and Dato N. De Gruijter
Mouton, 1974
Buku Teks