Воронко, Р. М., and К. І. Редченко. 2015. “Theory of Audit Development: Dilemma «Principles and Rules»”. Scientific Bulletin of Ivano-Frankivsk National Technical University of Oil and Gas (Series: Economics and Management in the Oil and Gas Industry) 2 (12):74-81. https://eung.nung.edu.ua/index.php/ecom/article/view/119.