Michael Kobetsky. International Taxation of Permanent Establishments. Cambridge University Press, 2011. P. 31.
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Richard A. Musgrave and Peggy B. Musgrave. Public Finance in Theory and Practice. 4th Ed. McGraw-Hill, 1984. P. 1345; Donald J. S. Brean, Richard Miller Bird. The Interjurisdictional Allocation of Income and the Unitary Debate. Ottawa: Economic Council of Canada, 1986. P. 294.
