Answer :
Media messages, family, friends, peers, teachers, and role models are external type of influence and is denoted as option A.
What are External influences?
This type of influences are present outside of ones self or an organization and the individual has little or no control over them.
Examples of such include media messages and friends which we interact in the society thereby creating a form of influence on individuals which could be positive or negative.
Read more about External influence here https://brainly.com/question/3013714
#SPJ1