Canada. Royal Commission on Grain Futures & Stamp, J. (1931). Evidence and proceedings before the commission to inquire into trading in grain futures. April, 1931. Grain Trade News.
Chicago-viite (17. p.)Canada. Royal Commission on Grain Futures ja Josiah Stamp. Evidence and Proceedings Before the Commission to Inquire into Trading in Grain Futures. April, 1931. Winnipeg, Canada: Grain Trade News, 1931.
MLA-viite (8. p.)Canada. Royal Commission on Grain Futures ja Josiah Stamp. Evidence and Proceedings Before the Commission to Inquire into Trading in Grain Futures. April, 1931. Grain Trade News, 1931.
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