APA Style
Proakis, J, G., Salehi, M.
(c2002).
Communication systems engineering
(
2nd ed.)
.
nju:
Prentice Hall.
MLA Style
Proakis, John, G.., Salehi, Masoud..
"Communication systems engineering".
2nd ed.
nju:
Prentice Hall,
c2002.
print.