I was planning to sell BTCs, but I have only small amounts. May be you have to go to localbitcoins.com

Just go through this list, as you are planning to do bank transfer.

https://localbitcoins.com/buy-bitcoins-online/national-bank-transfer/

Don't buy from anyone who is having less than +25 feedback.

If you are in Turkey, this one seems legit:

https://localbitcoins.com/ad/92039/purchase-bitcoin-bank-transfer-turkey-turkey