Bord, J. (1989). Unexplained mysteries of the 20th century. New York: McGraw-Hill.
シカゴスタイル引用形Bord, Janet. Unexplained Mysteries of the 20th Century. New York: McGraw-Hill, 1989.
MLA引用形式Bord, Janet. Unexplained Mysteries of the 20th Century. New York: McGraw-Hill, 1989.
警告: この引用は必ずしも正確ではありません.