Kotler, Philip, author
The Free Press , 1997
Buku Teks
Hall, Charles A.S., author
[, Springer], 2012
eBooks
Ichimura, Shin`ichi, 1925-, author
World Scientific, 2015
Buku Teks
Sherman, Howard J., author
Appleton-Century-Crofts, 1964
Buku Teks
Cohen, Daniel
MIT Press, 1988
Buku Teks