Gaya APA
abror, A., syarifah, E. (2008).
Business Wisdom of Muhammad SAW : 40 kedahsyatan Bisnis ala Nabi Saw .
Jakarta:
madani prima.
Gaya MLA
abror, Abd.rachman., syarifah, Ela.
"Business Wisdom of Muhammad SAW : 40 kedahsyatan Bisnis ala Nabi Saw".
Jakarta:
madani prima,
2008.
Text.