Herz, John H.
Colombia University Press, 1960
Buku Teks
Rourke, John T., author
Brooks/Cole, 1986
Buku Teks
Chandra, Prakash, author
Vikas Publishing House, 1982
Buku Teks
Chandra, Prakash, author
Vikas Publishing House, 1982
Buku Teks
Miller, Lynn H., author
Westview Press, 1990
Buku Teks