(1995). The first twenty five years of the patent cooperation treaty, 1970 - 1995. WIPO.
Chicago Edition CitationThe First Twenty Five Years of the Patent Cooperation Treaty, 1970 - 1995. Geneva: WIPO, 1995.
MLA引文The First Twenty Five Years of the Patent Cooperation Treaty, 1970 - 1995. WIPO, 1995.
警告:這些引文格式不一定是100%准確.