Παραπομπή APA

Middleton, R. (1975). Negotiating on Non-Tariff Distortions of Trade: The EFTA Precedents. London: Trade Policy Research Centre.

Παραπομπή Chicago Style

Middleton, Robert. Negotiating On Non-Tariff Distortions of Trade: The EFTA Precedents. London: Trade Policy Research Centre, 1975.

Παραπομπή MLA

Middleton, Robert. Negotiating On Non-Tariff Distortions of Trade: The EFTA Precedents. London: Trade Policy Research Centre, 1975.

Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.