Gaya APA
English conversations & correspondence for secretaries. (2008).
Jakarta:
Puspa Swara.
Gaya Chicago
English conversations & correspondence for secretaries.
.
Jakarta:
Puspa Swara,
2008.
Text.
Gaya MLA
English conversations & correspondence for secretaries.
.
Jakarta:
Puspa Swara,
2008.
Text.
Gaya Turabian
English conversations & correspondence for secretaries.
Jakarta:
Puspa Swara,
2008.
Print.