Gaya APA
Maximize Your Brainpower. (2002).
England:
John Wiley & Sons Ltd.
Gaya Chicago
Maximize Your Brainpower.
.
England:
John Wiley & Sons Ltd,
2002.
Text.
Gaya MLA
Maximize Your Brainpower.
.
England:
John Wiley & Sons Ltd,
2002.
Text.
Gaya Turabian
Maximize Your Brainpower.
England:
John Wiley & Sons Ltd,
2002.
Print.