APA
International Statistical Institute (Hague), International Statistical Institute (Hague), . (1939). International abstract of economic statistics,1931. Hague: The Author.
Chicago
International Statistical Institute (Hague), International Statistical Institute (Hague), . 1939. International abstract of economic statistics,1931. Hague: The Author.
Harvard
International Statistical Institute (Hague), International Statistical Institute (Hague), . (1939). International abstract of economic statistics,1931. Hague: The Author.
MLA
International Statistical Institute (Hague), International Statistical Institute (Hague), . International abstract of economic statistics,1931. Hague: The Author. 1939.
