Lua APA (7ú heag.)

McCullough, J. F. (1922). Looking to our foundations. The Economic press.

Lua i Stíl Chicago (17ú heag.)

McCullough, James F. Looking to Our Foundations. Geneva, Ill.: The Economic press, 1922.

Lua MLA (8ú heag.)

McCullough, James F. Looking to Our Foundations. The Economic press, 1922.

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