Oliver, Robert W..
The vocation of the laity to evangelization : an ecclesiological inquiry into the Synod on the laity (1987), Christifideles laici (1989), and documents of the NCCB (1987-1996) / Robert W. Oliver
. - Roma : Pontificia Università gregoriana, 1997 . - 360 p. ; 24 cm ( Tesi Gregoriana. Serie Teologia
; 26 )