Gaya APA
Siswodihardjo, S.
(2011).
The Greatest Secret of Life
(
Cet. 1)
.
Jakarta:
Cikeas Media Utama.
Gaya MLA
Siswodihardjo, Suratto.
"The Greatest Secret of Life".
Cet. 1
Jakarta:
Cikeas Media Utama,
2011.
Text.