Mills, R. J. (1963). Theodore Roethke. University of Minnesota Press ; [distributed to high schools in the U.S. by McGraw-Hill, New York.
Citace podle Chicago (17th ed.)Mills, Ralph J. Theodore Roethke. Minneapolis: University of Minnesota Press ; [distributed to high schools in the U.S. by McGraw-Hill, New York, 1963.
Citace podle MLA (9th ed.)Mills, Ralph J. Theodore Roethke. University of Minnesota Press ; [distributed to high schools in the U.S. by McGraw-Hill, New York, 1963.
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