American Psychological Association
Rommerskirchen, Giovanni P ( 1971 ). Bibliografia Missionaria Anno Xxxiv 1970 ( 00 ed. ). Pontifical Gregorian University.
Modern Language Association
Rommerskirchen, Giovanni P. Bibliografia Missionaria Anno Xxxiv 1970 . Pontifical Gregorian University. 1971
Chicago Citation
Rommerskirchen, Giovanni P. Bibliografia Missionaria Anno Xxxiv 1970 . 00 .Rome
: Pontifical Gregorian University, 1971.
American Medical Association
Rommerskirchen, Giovanni P. Bibliografia Missionaria Anno Xxxiv 1970 . Pontifical Gregorian University; 1971.