Roeck, J. d. (1979). João Paulo II. Aster.
Chicago Style (17th ed.) CitationRoeck, Joseph de. João Paulo II. Aster, 1979.
MLA引文Roeck, Joseph de. João Paulo II. Aster, 1979.
警告：這些引文格式不一定是100％准確.
APA引文
Roeck, J. d. (1979). João Paulo II. Aster.
Chicago Style (17th ed.) CitationRoeck, Joseph de. João Paulo II. Aster, 1979.
MLA引文Roeck, Joseph de. João Paulo II. Aster, 1979.