Hillard, J. (1976). Political and legal factors and regulation P881 Unit 14. Open University Press.
シカゴスタイル引用形Hillard, John. Political and Legal Factors and Regulation P881 Unit 14. England: Open University Press, 1976.
MLA引用形式Hillard, John. Political and Legal Factors and Regulation P881 Unit 14. Open University Press, 1976.
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