एपीए उद्धरण

(1995). The first twenty five years of the patent cooperation treaty, 1970 - 1995. WIPO.

शिकागो स्टाइल उद्धरण

The First Twenty Five Years of the Patent Cooperation Treaty, 1970 - 1995. Geneva: WIPO, 1995.

एमएलए उद्धरण

The First Twenty Five Years of the Patent Cooperation Treaty, 1970 - 1995. WIPO, 1995.