Klaus Vogel. Double Taxation Conventions. Kluwer Law International, 1997. Р. 67. § 128.

OECD Report (1989) R(8). Tax treaty override, in: Model Tax Convention on Income and on Capital 2010: Full Version. URL: www.oecd-ilibrary.org/taxation/model-tax-convention-on-income-and-on-capital-2010/r-8-tax-treaty-override_9789264175181-101-en.