Churchill, Paul.
The admission and rejection of the libellus in the canonical tradition and especially according to the 1983 code of canon law: dissertatio ad lauream in Facultate Iuris Canonici Pontificiae Universitatis Gregoriana /
Paul Churchill ; Pontificia Universitas Gregoriana, Facultas Iuris Canonici 
. - Romae : Pontificia Universitas Gregoriana, Facultas Iuris Canonici,  1993 
. - vii, 249 p.  24 cm. 
<br/>К.: Бібліогр. : c. 233-249