APA Style
Peter Drucker. (2000).
London:
Dorling Kindersley.
Chicago Style
Peter Drucker.
.
London:
Dorling Kindersley,
2000.
.
MLA Style
Peter Drucker.
.
London:
Dorling Kindersley,
2000.
.
Turabian Style
Peter Drucker.
London:
Dorling Kindersley,
2000.
.