Chris, H.(2011).Ensiklopedia Leadership & Managemen Muhammad SAW " The Super Leader Super Manager " 4: Manajemen Dakah (dakah management) .Jakarta:Tazkia Publishing.
Gaya MLA
Chris, H..Ensiklopedia Leadership & Managemen Muhammad SAW " The Super Leader Super Manager " 4: Manajemen Dakah (dakah management).Jakarta:Tazkia Publishing,2011.Ebook.