Hello,
I am a little confused about the romanization of ぢand づ. Currently I am using the Genki textbooks to learn Japanese, and it tells me that ぢand づ are pronounced as 'ji' and 'zu' just like じ and ず , but I found many resources that tell me that they are pronounced as 'di' and 'du'
Help please? What is the correct pronunciation of them?