00:00 Einführung
00:04 Introduction
00:27 Most common mistakes
01:11 Internet sources ≠ web pages
02:13 Overview
02:43 Schema for source references
06:12 The 4 W questions
06:54 Example: Web pages
09:44 URLs
11:32 Example: Reports
15:23 Example: Product fact sheet
17:28 Example: Image from Statista
23:28 Conclusion