Kelly, J., & Kelly, M. (1990). Sanctuaries: A guide to lodgings in monasteries, abbeys, and retreats of the United States. Bell Tower.
Citazione stile Chigago Style (17a edizione)Kelly, Jack, e Marcia Kelly. Sanctuaries: A Guide to Lodgings in Monasteries, Abbeys, and Retreats of the United States. New York: Bell Tower, 1990.
Citatione MLA (8a ed.)Kelly, Jack, e Marcia Kelly. Sanctuaries: A Guide to Lodgings in Monasteries, Abbeys, and Retreats of the United States. Bell Tower, 1990.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.