Gaya APA
Andrews, RGH. (1990).
Written english for business : second level .
Oxford:
Oxford University Press.
Gaya Chicago
Andrews, RGH.
Written english for business : second level.
Oxford:
Oxford University Press,
1990.
Text.
Gaya MLA
Andrews, RGH.
Written english for business : second level.
Oxford:
Oxford University Press,
1990.
Text.
Gaya Turabian
Andrews, RGH.
Written english for business : second level.
Oxford:
Oxford University Press,
1990.
Print.