Vollgraff, M. (2013). Afterword: Hugo Ball's Theology. October.
Chicagoスタイル(17版)引用形式Vollgraff, Matthew. "Afterword: Hugo Ball's Theology." October 2013.
MLA(8版)引用形式Vollgraff, Matthew. "Afterword: Hugo Ball's Theology." October, 2013.
警告: この引用は必ずしも正確ではありません.