Gaya APA
Ennis, Robert H. (1995).
Critical Thinking .
New Jersey:
Prentice Hall.
Gaya Chicago
Ennis, Robert H.
Critical Thinking.
New Jersey:
Prentice Hall,
1995.
Text.
Gaya MLA
Ennis, Robert H.
Critical Thinking.
New Jersey:
Prentice Hall,
1995.
Text.
Gaya Turabian
Ennis, Robert H.
Critical Thinking.
New Jersey:
Prentice Hall,
1995.
Print.