(1972). Records of the Washington diplomatic conference on the patent cooperation treaty, 1970. WIPO.
Παραπομπή Chicago StyleRecords of the Washington Diplomatic Conference on the Patent Cooperation Treaty, 1970. Geneva: WIPO, 1972.
Παραπομπή MLARecords of the Washington Diplomatic Conference on the Patent Cooperation Treaty, 1970. WIPO, 1972.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.