Hutapea, Albert M., author
EGC , 2003
Buku Teks
Montagna, William, author
John Wiley & Sons, 1963
Buku Teks
Cunningham, Daniel John, author
Oxford University Press, 1957
Buku Teks
Weichert, Charles K., author
McGraw-Hill, 1959
Buku Teks
Weichert, Charles K., author
McGraw-Hill, 1953
Buku Teks