Citazione Stile APA (7a Edizione)
Barna , G. (1988). Marketing the church: What they never taught you about church growth. Navpress.
Citazione stile Chigago Style (17a edizione)
Barna , George. Marketing the Church: What They Never Taught You About Church Growth. Colorado: Navpress, 1988.
Citatione MLA (9a ed.)
Barna , George. Marketing the Church: What They Never Taught You About Church Growth. Navpress, 1988.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.