Lovett, C. (1980). Witnessing made easy: The ladder-Method. Personal Christianity.
Citazione stile Chigago Style (17a edizione)Lovett, C.S. Witnessing Made Easy: The Ladder-Method. Baldwin Park: Personal Christianity, 1980.
Citatione MLA (9a ed.)Lovett, C.S. Witnessing Made Easy: The Ladder-Method. Personal Christianity, 1980.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.