American Psychological Association
Rommerskirchen, Giovanni P (Eds.). ( 1977 ). Bibliografia Missionaria Anno Xl - 1976 ( 00 ed. ). Pontifical Gregorian University.
Modern Language Association
Rommerskirchen, Giovanni P. Bibliografia Missionaria Anno Xl - 1976 . Pontifical Gregorian University. 1977
Chicago Citation
Rommerskirchen, Giovanni P. Bibliografia Missionaria Anno Xl - 1976 . 00 .Rome
: Pontifical Gregorian University, 1977.
American Medical Association
Rommerskirchen, Giovanni P. Bibliografia Missionaria Anno Xl - 1976 . Pontifical Gregorian University; 1977.