Gaya APA
, L., R., H. (2007).
THE WAY TO HAPPINESS: A COMMON SENSE GUIDE TO BETTER LIVING .
UNITED STATES OF AMERICA:
L RON HUBBARD FOUNDATION.
Gaya MLA
, L, Ron, Hubbard.
"THE WAY TO HAPPINESS: A COMMON SENSE GUIDE TO BETTER LIVING".
UNITED STATES OF AMERICA:
L RON HUBBARD FOUNDATION,
2007.
Buku Inti.