Villot, J. (1978). Letter of Jean Cardinal Villot and Address of Terence Cardinal Cooke on the Occasion of a Symposium on Natural Family Planning: Ten Years of Progress - 1968-1978. Washington, D.C..
Chicago-referens (17:e uppl.)Villot, Jean. Letter of Jean Cardinal Villot and Address of Terence Cardinal Cooke on the Occasion of a Symposium on Natural Family Planning: Ten Years of Progress - 1968-1978. Washington, D.C., 1978.
MLA-referens (8:e uppl.)Villot, Jean. Letter of Jean Cardinal Villot and Address of Terence Cardinal Cooke on the Occasion of a Symposium on Natural Family Planning: Ten Years of Progress - 1968-1978. Washington, D.C., 1978.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.