एपीए उद्धरण

Facts about Finland: Science, t. (1999). Facts about Finland: Science, trade, culture, industry, history. Keuruu, Finland: Otava.

शिकागो स्टाइल उद्धरण

Facts about Finland: Science, trade. Facts About Finland: Science, Trade, Culture, Industry, History. Keuruu, Finland: Otava, 1999.

एमएलए उद्धरण

Facts about Finland: Science, trade. Facts About Finland: Science, Trade, Culture, Industry, History. Keuruu, Finland: Otava, 1999.