Gaya APA
(Pengarang), R, I. (2008).
Inner Happiness Building : Rahasia Hidup Bahagia .
yogyakarta ::
Cupid Media Group,.
Gaya MLA
(Pengarang), Roni, Ismail.
"Inner Happiness Building : Rahasia Hidup Bahagia".
yogyakarta ::
Cupid Media Group,,
2008.
Monograf.