Устименко, С. Є. “Verbal and Non-Verbal Means of Actualization of an Addressee’s Indirect Responsive Reaction in the English Everyday Discourse”. The Journal of V.N. Karazin Kharkiv National University. Series: Foreign Philology. Methods of Foreign Language Teaching, no. 83, July 2016, pp. 57-65, https://periodicals.karazin.ua/foreignphilology/article/view/6072.