Funk, W. (1955). Six weeks to words of power. Pocket Books.
Chicagoスタイル(17版)引用形式Funk, Wilfred. Six Weeks to Words of Power. Nueva York: Pocket Books, 1955.
MLA(9版)引用形式Funk, Wilfred. Six Weeks to Words of Power. Pocket Books, 1955.
警告: この引用は必ずしも正確ではありません.