Gaya APA
Stanchfield, J, M., Gunning, T, G.
(1986).
Skillsbook : Currents
.
Boston:
Houghton Mifflin Company.
Gaya MLA
Stanchfield, Jo, M., Gunning, Thomas, G..
"Skillsbook : Currents".
Boston:
Houghton Mifflin Company,
1986.
Text.