Jacob, Herbert, 1933-
Courts, law and politics in comparative perspective
Yale University Press, 1996
 Buku Teks
Junwei, fu
Modern European and Chinese contract law : a comparative study of party autonomy
Wolters Kluwer, 2011
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International law in comparative perspective / edited by William E. Butler
Sijthoff & Noordhoff , 1980
 Buku Teks
Higgins, P. F. P.
Law of Contract
Butterworth, 1974
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Richards, Paul H.
Law of Contract
Pitman, 1999
 Buku Teks