in reference to

US /ɪn ˈref.ər.əns tuː/
UK /ɪn ˈref.ər.əns tuː/
"in reference to" picture
1.

in riferimento a, riguardo a

concerning or regarding something; in relation to

:
I am writing in reference to your recent inquiry.
Scrivo in riferimento a la vostra recente richiesta.
His comments were made in reference to the new policy.
I suoi commenti sono stati fatti in riferimento alla nuova politica.