Penggayaan APA
Challenging Logic and Reasoning Problems. (2005).
United State of America:
Learning Express.
Chicago Style
Challenging Logic and Reasoning Problems.
.
United State of America:
Learning Express,
2005.
Text.
MLA Style
Challenging Logic and Reasoning Problems.
.
United State of America:
Learning Express,
2005.
Text.
Turabian Style
Challenging Logic and Reasoning Problems.
United State of America:
Learning Express,
2005.
Print.