„Pre-history of the zoo“. zoo.city.fukuoka.lg.jp. Fukuoka Municipal Zoo and Botanical Garden. 2011-yil 9-sentyabrda asl nusxadan arxivlangan. Qaraldi: 2011-yil 23-sentyabr.
„Pre-history of the zoo“. zoo.city.fukuoka.lg.jp. Fukuoka Municipal Zoo and Botanical Garden. 2011-yil 9-sentyabrda asl nusxadan arxivlangan. Qaraldi: 2011-yil 23-sentyabr.