Strauss, George, author
Prentice Hall of India, 1985
Buku Teks
Straus, George, author
Prentice-Hall, 1967
Buku Teks
Werther, William B., author
McGraw-Hill , 1989
Buku Teks
Werther, William B., author
McGraw-Hill, 1996
Buku Teks
Werther, William B., author
McGraw-Hill, 1986
Buku Teks