Hoffman, J. [ca. 2017]. Mastering Swift 4 - Fourth Edition : An in-depth and comprehensive guide on modern programming techniques with Swift (4. Auflage) [Cd]. Birmingham: Packt Publishing Limited.
ISO-690 (author-date, English)HOFFMAN, Jon, 2017. Mastering Swift 4 - Fourth Edition : An in-depth and comprehensive guide on modern programming techniques with Swift. 4. Auflage. Birmingham: Packt Publishing Limited. ISBN 9781788476416.
Modern Language Association 9th editionHoffman, J. Mastering Swift 4 - Fourth Edition : An in-depth and comprehensive guide on modern programming techniques with Swift. 4. Auflage, cd, Packt Publishing Limited, 2017.
Mohr Siebeck - Recht (Deutsch - Österreich)Hoffman, Jon: Mastering Swift 4 - Fourth Edition : An in-depth and comprehensive guide on modern programming techniques with Swift, 4. Auflage. Aufl. Birmingham 2017.
Emerald - HarvardHoffman, J. (2017), Mastering Swift 4 - Fourth Edition : An in-depth and comprehensive guide on modern programming techniques with Swift, 4. Auflage., Bd. , Packt Publishing Limited, Birmingham.