APA aipamena

Vergara, R. B. (2001). On-line grocery shopping vs traditional supermarketing. Manila Times.

Chicago Style aipamena

Vergara, Ricky B. "On-line Grocery Shopping Vs Traditional Supermarketing." Manila Times 2001.

MLA aipamena

Vergara, Ricky B. "On-line Grocery Shopping Vs Traditional Supermarketing." Manila Times, 2001.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.