Gaya APA
tirtamihardja, Samuel. (2010).
Inspirasi 5 Menit .
Jakarta:
Yayasan Yaski.
Gaya Chicago
tirtamihardja, Samuel.
Inspirasi 5 Menit.
Jakarta:
Yayasan Yaski,
2010.
Non-fiction.
Gaya MLA
tirtamihardja, Samuel.
Inspirasi 5 Menit.
Jakarta:
Yayasan Yaski,
2010.
Non-fiction.
Gaya Turabian
tirtamihardja, Samuel.
Inspirasi 5 Menit.
Jakarta:
Yayasan Yaski,
2010.
Non-fiction.