APA Style
Barker, Alan. (2004).
Improve Your Communication Skils .
Jakarta:
Elex Media Komputindo.
Chicago Style
Barker, Alan.
Improve Your Communication Skils.
Jakarta:
Elex Media Komputindo,
2004.
Buku.
MLA Style
Barker, Alan.
Improve Your Communication Skils.
Jakarta:
Elex Media Komputindo,
2004.
Buku.
Turabian Style
Barker, Alan.
Improve Your Communication Skils.
Jakarta:
Elex Media Komputindo,
2004.
Buku.