Friesen. When Worlds Collide. University of Arizona Press.
Chicagoスタイル(17版)引用形式Friesen. When Worlds Collide. University of Arizona Press.
MLA(8版)引用形式Friesen. When Worlds Collide. University of Arizona Press.
警告: この引用は必ずしも正確ではありません.
APA(7版)引用形式