(1996). WIPO patent information services for developing countries. WIPO.
Chicago Edition CitationWIPO Patent Information Services for Developing Countries. Geneva: WIPO, 1996.
ציטוט MLAWIPO Patent Information Services for Developing Countries. WIPO, 1996.
אזהרה: ציטוטים אלה לעיתים לא מדויקים ב 100%.