Gaya APA
Graham, Billy. (1985).
The Secret Of Happiness (Revised).
Dallas:
Word Publishing.
Gaya Chicago
Graham, Billy.
The Secret Of Happiness.
Revised
Dallas:
Word Publishing,
1985.
Text.
Gaya MLA
Graham, Billy.
The Secret Of Happiness.
Revised
Dallas:
Word Publishing,
1985.
Text.
Gaya Turabian
Graham, Billy.
The Secret Of Happiness.
Revised
Dallas:
Word Publishing,
1985.
Print.