Gaya APA
Timothy, J, , S.
(2011).
Happiness is now
.
Jakarta:
Raih Asa Sukses (Penebar Swadaya Group).
Gaya MLA
Timothy, J., , Sharp,.
"Happiness is now".
Jakarta:
Raih Asa Sukses (Penebar Swadaya Group),
2011.
Text.