APA (7e ed.) Bronvermelding

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

Chicago (17e ed.) Bronvermelding

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

MLA (9e ed.) Bronvermelding

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

Let op: Deze citaties zijn niet altijd 100% accuraat.