APA Style
Black, A & C. (2009).
Business Essential .
London:
A & C Black.
Chicago Style
Black, A & C.
Business Essential.
London:
A & C Black,
2009.
Text.
MLA Style
Black, A & C.
Business Essential.
London:
A & C Black,
2009.
Text.
Turabian Style
Black, A & C.
Business Essential.
London:
A & C Black,
2009.
Print.