Παραπομπή APA

World Trade Organization. (1995). Second protocol to the general agreement on trade in services. WTO.

Παραπομπή Chicago Style

World Trade Organization. Second Protocol to the General Agreement on Trade in Services. Geneva: WTO, 1995.

Παραπομπή MLA

World Trade Organization. Second Protocol to the General Agreement on Trade in Services. WTO, 1995.