Hollabaugh. The Spirit and the Sky. University of Nebraska Press.
Chicagoスタイル(17版)引用形式Hollabaugh. The Spirit and the Sky. University of Nebraska Press.
MLA(8版)引用形式Hollabaugh. The Spirit and the Sky. University of Nebraska Press.
警告: この引用は必ずしも正確ではありません.