Gaya APA
Ratnaningsih, Rahayu. (2003).
Happines Made Simple (1).
:
Jakarta, Gramedia, 2003.
Gaya Chicago
Ratnaningsih, Rahayu.
Happines Made Simple.
1
:
Jakarta, Gramedia, 2003,
2003.
.
Gaya MLA
Ratnaningsih, Rahayu.
Happines Made Simple.
1
:
Jakarta, Gramedia, 2003,
2003.
.
Gaya Turabian
Ratnaningsih, Rahayu.
Happines Made Simple.
1
:
Jakarta, Gramedia, 2003,
2003.
.