Page, Clive, author
Elex Media Komputindo, 1988
Buku Teks
Angel, Edward, author
Pearson, 2015
Buku Teks
Kreitzberg, Charles B., author
Harcourt Brace Javanovich, 1982
Buku Teks
Nanney, T. Ray, author
Prentice-Hall, 1981
Buku Teks
Martin, E. Wainright, author
John Wiley & Sons, 1981
Buku Teks