City have already said that they have offered new deals to the aforementioned quartet but none so far have signed.
Aron Gunnarsson
"We've already had discussions but we all know that things don't happen overnight," said Chris Coleman to the CT.
"The club is all geared up to move forward with these players but history tells us that these things can sometimes take a bit longer to sort out than either party would like.
"At this stage it can be quite hard to tie things down with people away on holiday but we have plenty of time and I am sure we will get there.
"We have shown these lads what we are about and the chairman and I have said all along that this is a long-term project."