Gaya APA
Young, Dona J. (2008).
BUSINESS ENGLISH .
America:
Mc Graw-Hill.
Gaya Chicago
Young, Dona J.
BUSINESS ENGLISH.
America:
Mc Graw-Hill,
2008.
Text.
Gaya MLA
Young, Dona J.
BUSINESS ENGLISH.
America:
Mc Graw-Hill,
2008.
Text.
Gaya Turabian
Young, Dona J.
BUSINESS ENGLISH.
America:
Mc Graw-Hill,
2008.
Print.