References in one blank line after the text; the title is ‘REFERENCES’  in capital letters, bold font, align center.

 The reference list in English must comply with АРА (American Psychological Association) citation style.

The sources are listed after the title ‘REFERENCES’  in alphabetical order and not numbered.

The authors are recommended to get acknowledged with APA citation style on the Organization`s website https://apastyle.apa.org/ or to follow the instruction hereby http://www-library.univer.kharkov.ua/pages/bibliography/apa_style.pdf.

If available, it is mandatory to indicate the DOI identifier number of the autoed sources, e.g.:

Brownlie, D. (2007). Toward effective poster presentations. European Journal of Marketing, 41, 1245–1283. doi: 10.1108/03090560710821161