Gaya APA
Cyssco, D, R. (2004).
English conversations
corresspondence for secretaries/ Dhanny R. Cyssco .
Jakarta:
Puspa Swara.
Gaya MLA
Cyssco, Dhanny, R..
"English conversations
corresspondence for secretaries/ Dhanny R. Cyssco".
Jakarta:
Puspa Swara,
2004.
Text.