APA Style
Ken, Watanabe. (2009).
Problem solving 101 .
Jakarta:
Publishing One.
Chicago Style
Ken, Watanabe.
Problem solving 101.
Jakarta:
Publishing One,
2009.
Text.
MLA Style
Ken, Watanabe.
Problem solving 101.
Jakarta:
Publishing One,
2009.
Text.
Turabian Style
Ken, Watanabe.
Problem solving 101.
Jakarta:
Publishing One,
2009.
Print.