Παραπομπή σε μορφή APA (7η εκδ.)

U, P. L. (2006). Toward a national tax policy for E-commerce. Philippine APEC Study Center Network Philippine Institute for Development Studies.

Παραπομπή σε μορφή Chicago (17η εκδ.)

U, Peter Lee. Toward a National Tax Policy for E-commerce. Makati City: Philippine APEC Study Center Network Philippine Institute for Development Studies, 2006.

Παραπομπή σε μορφή MLA (9th εκδ.)

U, Peter Lee. Toward a National Tax Policy for E-commerce. Philippine APEC Study Center Network Philippine Institute for Development Studies, 2006.