Gaya APA
DUCKWORTH, Michael. (2003).
BUSINESS GRMMAR & PRACTICE (New Edition).
:
.
Gaya Chicago
DUCKWORTH, Michael.
BUSINESS GRMMAR & PRACTICE.
New Edition
:
,
2003.
Text.
Gaya MLA
DUCKWORTH, Michael.
BUSINESS GRMMAR & PRACTICE.
New Edition
:
,
2003.
Text.
Gaya Turabian
DUCKWORTH, Michael.
BUSINESS GRMMAR & PRACTICE.
New Edition
:
,
2003.
Print.