APA Style
Watanabe, Ken. (2009).
Problem Solving 101 : a simple book for smart people .
Amerika:
Penguin.
Chicago Style
Watanabe, Ken.
Problem Solving 101 : a simple book for smart people.
Amerika:
Penguin,
2009.
Text.
MLA Style
Watanabe, Ken.
Problem Solving 101 : a simple book for smart people.
Amerika:
Penguin,
2009.
Text.
Turabian Style
Watanabe, Ken.
Problem Solving 101 : a simple book for smart people.
Amerika:
Penguin,
2009.
Print.