Finkle, J. (1998). Viagra heats up war among firms promising cure for impotence. Manila Times.
Chicagoスタイル(17版)引用形式Finkle, Jim. "Viagra Heats Up War Among Firms Promising Cure for Impotence." Manila Times 1998.
MLA(9版)引用形式Finkle, Jim. "Viagra Heats Up War Among Firms Promising Cure for Impotence." Manila Times, 1998.
警告: この引用は必ずしも正確ではありません.