Barker, R. Don Bosco. Catholic Truth Society.
Chicagoスタイル(17版)引用形式Barker, Raymond. Don Bosco. London: Catholic Truth Society.
MLA(8版)引用形式Barker, Raymond. Don Bosco. Catholic Truth Society.
警告: この引用は必ずしも正確ではありません.
Barker, R. Don Bosco. Catholic Truth Society.
Chicagoスタイル(17版)引用形式Barker, Raymond. Don Bosco. London: Catholic Truth Society.
MLA(8版)引用形式Barker, Raymond. Don Bosco. Catholic Truth Society.