Markus, John, 1911-, author
McGraw-Hill, 1982
Buku Teks
Abrahams, J. R., author
Pergamon Press, c1966
Buku Teks
Yang, Edward S., author
McGraw-HIll, 1978
Buku Teks
Reynold, Lloyds
Richard D. Irwin, 1966
Buku Teks
Markus, John, 1911-, author
McGraw-Hill, 1980
Buku Referensi