Charlesworth, A. (2021) Absolute essentials of digital marketing [cd], Absolute essentials of business and economics. London: Routledge. doi:10.4324/9781003015789.
Chicago Manual of Style 17th edition (full note)Charlesworth, Alan. Absolute essentials of digital marketing. Cd. Absolute essentials of business and economics. London: Routledge, [2021?], London: Routledge, [2021?]. https://doi.org/10.4324/9781003015789.
American Psychological Association 7th editionCharlesworth, A. (ca. 2021). Absolute essentials of digital marketing [Cd]. In Absolute essentials of business and economics. Routledge. https://doi.org/10.4324/9781003015789
Modern Language Association 9th editionCharlesworth, A. „Absolute essentials of digital marketing“. Absolute essentials of business and economics, cd, Routledge, 2021, https://doi.org/10.4324/9781003015789.
ISO-690 (author-date, Deutsch)CHARLESWORTH, Alan, 2021. Absolute essentials of digital marketing. London: Routledge. ISBN 9781003015789