Either way works for me. They could both be "this" because they are both close. One could be "that" to distinguish one from the other.
I'm at the post office helping a girl from Lybia with her mail. The envelope and stamp are both next to me and I say: you need this with this to mail your letter.
Or you need this with that.
Both the items are next to me and reachable at an arms length.
Are both okay?
from Libya, surely?
I'm not a teacher, but I write for a living. Please don't ask me about 2nd conditionals, but I'm a safe bet for what reads well in (American) English.
You spelt it wrong. You wrote "Lybia". It's Libya.
Remember - if you don't use correct capitalisation, punctuation and spacing, anything you write will be incorrect.