Gaya APA
Clarke, Liz. (1994).
The Essence of Change. .
New York:
Prentice Hall.
Gaya Chicago
Clarke, Liz.
The Essence of Change..
New York:
Prentice Hall,
1994.
Text.
Gaya MLA
Clarke, Liz.
The Essence of Change..
New York:
Prentice Hall,
1994.
Text.
Gaya Turabian
Clarke, Liz.
The Essence of Change..
New York:
Prentice Hall,
1994.
Print.