@book { PsychologyWorkbookforBachelorsdegreeprogramspublishedinrussian,
    title = "Psychology: Workbook for Bachelor's degree programs (published in russian)",
    author = "Olga {Frik} and Natalia {Ashirbagina}",
    year = "2015",
    publisher = "Anchor Academic Publishing",
    address = "Hamburg, Germany",
    url = "https://m.anchor-publishing.com/document/312838"
}