APA Style
Heppel, Michael. (2012).
How To Save An Hour Every Day .
:
PT Elex Media Komputindo.
Chicago Style
Heppel, Michael.
How To Save An Hour Every Day.
:
PT Elex Media Komputindo,
2012.
Text.
MLA Style
Heppel, Michael.
How To Save An Hour Every Day.
:
PT Elex Media Komputindo,
2012.
Text.
Turabian Style
Heppel, Michael.
How To Save An Hour Every Day.
:
PT Elex Media Komputindo,
2012.
Print.