editor, Denis Leigh, C.M.B. Pare, John Marks
MTP Press, 1977
Buku Referensi
Leigh, Denis
M.T.P. Press, 1977
Buku Referensi
Morozov, G., author
PEACE, [T.th.]
Buku Teks
Hughes, Jennifer
John Wiley & Sons, 1991
Buku Teks
edited by Dinesch Bhugra
Routledge, 1996
Buku Teks