Dumlao, M. D. C. (2000). RS. IN Success story [column]: Selling products the non-traditional way. Philippine Daily Inquirer.
Dyfyniad Arddull ChicagoDumlao, Ma. Doris C. "RS. IN Success Story [column]: Selling Products the Non-traditional Way." Philippine Daily Inquirer 2000.
Dyfyniad MLADumlao, Ma. Doris C. "RS. IN Success Story [column]: Selling Products the Non-traditional Way." Philippine Daily Inquirer, 2000.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.