Use Easybib.com for your citations. All you have to do is type the name of your sources in to "easybib" and choose if it is a book or a website, then copy it on to a word document.
I hope you can understand this and it helps!!
I’m pretty sure D but it should be like $B2
<span>What is a system of computers that are joined together and connect to peripheral devices and can’t be accessed from home = LAN for Local Area Network, unless it's connected to the internet and you allow VPN/RAS system access you will not be able to connect to a LAN remotely.</span>