Dyfyniad APA

Finkle, J. (1998). Viagra heats up war among firms promising cure for impotence. Manila Times.

Dyfyniad Arddull Chicago

Finkle, Jim. "Viagra Heats Up War Among Firms Promising Cure for Impotence." Manila Times 1998.

Dyfyniad MLA

Finkle, Jim. "Viagra Heats Up War Among Firms Promising Cure for Impotence." Manila Times, 1998.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.