Cita APA (7a ed.)
(2010). Costco: The Pinnacle of Value. Marketline.
Cita Chicago Style (17a ed.)
Costco: The Pinnacle of Value. Marketline, 2010.
Cita MLA (9a ed.)
Costco: The Pinnacle of Value. Marketline, 2010.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.