ISEAS, 2005
Buku Teks
Gordon, Bernard K., author
Prentice-Hall, 1966
Buku Teks
Vandenbosch, Amry, author
University of Kentucy Paperbacks, 1967
Buku Teks
Jan Nederveen Pieterse; Abdul Rahman Embong, Siew Yean Tham
Routledge Taylor et Francis Group, 2018
Buku Teks
McCloud, Donald G., author
Westview Press, 1986
Buku Teks