Power, Vincent
Informa Law from Routledge, 2019
Buku Teks
Farr, Sebastian
Pallandian Law Publishing Ltd., 1998
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Pinto, Carlo
Kluwer Law International, 2003
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Foster, Nigel
Oxford University Press, 2011
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Foster, Nigel
Oxford Univesity Press, 2008
Buku Teks