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J. Morris, Ed. Jones. (1960). 20410 - The World Book Encyclopedia Vol. 20 . : FIELD ENTERPRISE.

Gaya Chicago

J. Morris, Ed. Jones. 20410 - The World Book Encyclopedia Vol. 20. : FIELD ENTERPRISE, 1960. Text.

Gaya MLA

J. Morris, Ed. Jones. 20410 - The World Book Encyclopedia Vol. 20. : FIELD ENTERPRISE, 1960. Text.

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J. Morris, Ed. Jones. 20410 - The World Book Encyclopedia Vol. 20. : FIELD ENTERPRISE, 1960. Print.