Beiser, A. (1989). The earth (2nd.). Times Life Books.
Chicagoスタイル(17版)引用形式Beiser, Arthur. The Earth. 2nd. Hongkong: Times Life Books, 1989.
MLA(9版)引用形式Beiser, Arthur. The Earth. 2nd. Times Life Books, 1989.
警告: この引用は必ずしも正確ではありません.
Beiser, A. (1989). The earth (2nd.). Times Life Books.
Chicagoスタイル(17版)引用形式Beiser, Arthur. The Earth. 2nd. Hongkong: Times Life Books, 1989.
MLA(9版)引用形式Beiser, Arthur. The Earth. 2nd. Times Life Books, 1989.