Lee, George, author
Fong Brothers, 1989
Buku Teks
Lee, George, author
Fong Brothers, 1989
Buku Teks
Bye, Raymond T.
Appleton-Century-Crofts, 1947
Buku Teks
Lipsey, Richard G., 1928-, author
Harper Collin, 1996
Buku Teks
Adreson, W. H. Locke, author
Prentice Hall of India, 1986
Buku Teks