@book { ResearchMethodsandTechniquesinPublicRelationsandAdvertising,
    title = "Research Methods and Techniques in Public Relations and Advertising",
    author = "Bayram {Aydin} and Emine {Sahin}",
    year = "2017",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    doi = "10.3726/b10899",
    url = "https://www.peterlang.com/document/1054866"
}