Neumann, Richard K.
Wolters Kluwer Law & Business, 2013
Buku Teks
Kiikeri, Markku
Kluwer Academic Publishers, 2001
Buku Teks
Lipshaw, Jeffrey
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Buku Teks
Johnson, Conrad D.
Cambridge University Press, 1991
Buku Teks
Ward, Ian
Routledge. Cavendish. Taylor & Francis Group, 2004
Buku Teks