APA-viite (7. p.)

Orcullo, N. A. J. (2009). Principles of eCommerce/eBusiness: [theories and applications]. Rex Book Store.

Chicago-viite (17. p.)

Orcullo, Norberto A. Jr. Principles of ECommerce/eBusiness: [theories and Applications]. Manila: Rex Book Store, 2009.

MLA-viite (9. p.)

Orcullo, Norberto A. Jr. Principles of ECommerce/eBusiness: [theories and Applications]. Rex Book Store, 2009.