Below you can see some ebooks on information sources that are available on the ProQuest eBook Central platform. You need a username and password to access them. To get access, ask your instructor to contact the library
There's a guide to the platform available here with a lot of information on the platform and its features, which are summarised in a one-page quick guide
Basically, you can read these books online or download them to your device. Reading online offers more features, like making notes and highlighting text, while if you want to read them on your device you need to install a special app, so we'd recommend reading them online.