APA (7th ed.) Citation

Sanchez Gonzalez, E. (2002). Supermercados siglo XXI. Metodos de compra on-line off-line.

Chicago Style (17th ed.) Citation

Sanchez Gonzalez, Emma. Supermercados Siglo XXI. Metodos De Compra On-line Off-line. 2002.

MLA (9th ed.) Citation

Sanchez Gonzalez, Emma. Supermercados Siglo XXI. Metodos De Compra On-line Off-line. 2002.

Warning: These citations may not always be 100% accurate.