Gaya APA
Meier, P., Meier, J.
(2009).
Happiness Is A Choice For Teens
(
Cetakan 4)
.
Yogyakarta:
Andi.
Gaya MLA
Meier, Paul., Meier, Jan.
"Happiness Is A Choice For Teens".
Cetakan 4
Yogyakarta:
Andi,
2009.
Text.