APA Style
Whitehead, Geoffrey. (1989).
Pitman Business Correspondence / Geoffrey Whitehead and David H Whitehead (Cet.1).
Jakarta:
Binarupa Aksara.
Chicago Style
Whitehead, Geoffrey.
Pitman Business Correspondence / Geoffrey Whitehead and David H Whitehead.
Cet.1
Jakarta:
Binarupa Aksara,
1989.
Text.
MLA Style
Whitehead, Geoffrey.
Pitman Business Correspondence / Geoffrey Whitehead and David H Whitehead.
Cet.1
Jakarta:
Binarupa Aksara,
1989.
Text.
Turabian Style
Whitehead, Geoffrey.
Pitman Business Correspondence / Geoffrey Whitehead and David H Whitehead.
Cet.1
Jakarta:
Binarupa Aksara,
1989.
Print.