Gaya APA
Cyssco, D, R. (1989).
Practical conversation for daily communication/ Dhanny R. Cyssco .
Jakarta:
Puspa Swara.
Gaya MLA
Cyssco, Dhanny, R..
"Practical conversation for daily communication/ Dhanny R. Cyssco".
Jakarta:
Puspa Swara,
1989.
Text.