Gambiro, I. Perlindungan internasional melalui patent cooperation treaty. s.n.
Chicago Style (17th ed.) CitationGambiro, Ita. Perlindungan Internasional Melalui Patent Cooperation Treaty. s.n.
MLA引文Gambiro, Ita. Perlindungan Internasional Melalui Patent Cooperation Treaty. s.n.
警告:這些引文格式不一定是100%准確.