Query to extract cost accounting distribution from PO

Summary:

I need to do a Query to extract cost accounting Je linked with a PO

Content (please ensure you mask any confidential information):

Hello all,

I need to do a query to extract cost accounting JE linked with a PO.

For example for this cost accounting distributions i have PO number in the field Reference Number, but i don't find the cost management table in which
it is present.

With a backward method, I find the AE_HEADER_ID of JE in xla_ae_headers and I tried to reach PO number, but i can't find the missing table