Vergara, R. B. (2001). On-line grocery shopping vs traditional supermarketing. Manila Times.
Citación estilo ChicagoVergara, Ricky B. "On-line Grocery Shopping Vs Traditional Supermarketing." Manila Times 2001.
Cita MLAVergara, Ricky B. "On-line Grocery Shopping Vs Traditional Supermarketing." Manila Times, 2001.
Warning: These citations may not always be 100% accurate.