Schaeffer, E. (1982). Lifelines: God's framework for christian Living (ed.). crossway books.
Citazione stile Chigago Style (17a edizione)Schaeffer, Edith. Lifelines: God's Framework for Christian Living. ed. Westchester, Illinois: crossway books, 1982.
Citatione MLA (9a ed.)Schaeffer, Edith. Lifelines: God's Framework for Christian Living. ed. crossway books, 1982.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.