Lua APA (7ú heag.)

Pollock, I. L. (1923). The food administration in Iowa. State historical Society in Iowa.

Lua i Stíl Chicago (17ú heag.)

Pollock, Ivan Lester. The Food Administration in Iowa. Iowa City, Ia.: State historical Society in Iowa, 1923.

Lua MLA (8ú heag.)

Pollock, Ivan Lester. The Food Administration in Iowa. State historical Society in Iowa, 1923.

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