Gaya APA
Agustian, A, G., Mukri, R. (2007).
ESQ for Teens 2: Mental Building with 6 Principles .
Jakarta:
Arga Publishing.
Gaya MLA
Agustian, Ary, Ginanjar., Mukri, Ridwan.
"ESQ for Teens 2: Mental Building with 6 Principles".
Jakarta:
Arga Publishing,
2007.
Nontext.