Gaya APA
muthahhari,murtadha, ., babul, U, M.
(2008).
Quantum Akhlak
.
Yogyakarta:
arti bumi intaran.
Gaya MLA
muthahhari,murtadha, ., babul, Ulum, Muhammad.
"Quantum Akhlak".
Yogyakarta:
arti bumi intaran,
2008.
Art Original.