APA Style
winning back upset customer : melayani pelanggan kecewa. ().
s.l.:
s.n..
Chicago Style
winning back upset customer : melayani pelanggan kecewa.
.
s.l.:
s.n.,
.
Text.
MLA Style
winning back upset customer : melayani pelanggan kecewa.
.
s.l.:
s.n.,
.
Text.
Turabian Style
winning back upset customer : melayani pelanggan kecewa.
s.l.:
s.n.,
.
Print.