Gaya APA
How Thinks Work. (2007).
Johor Bahru:
Weldon Owen Publishing.
Gaya Chicago
How Thinks Work.
1.
Johor Bahru:
Weldon Owen Publishing,
2007.
Text.
Gaya MLA
How Thinks Work.
1.
Johor Bahru:
Weldon Owen Publishing,
2007.
Text.
Gaya Turabian
How Thinks Work.
Johor Bahru:
Weldon Owen Publishing,
2007.
Print.