Carroll, Thomas F.
Connecticut Kumarian Press , 1992
Buku Teks
Buku Teks
edited by Dharam Ghai and Jessica M. Vivian
Routledge, 1995
Buku Teks
Pettigrew, Thomas F., author
McGraw-Hill, 1971
Buku Teks
Millard, Thomas F., author
George Allen and Unwin, 1924
Buku Teks