Gladwell, M. (2019). Talking to strangers: What we should know about the people we don't know. Allen Lane.
Chicago-viite (17. p.)Gladwell, Malcolm. Talking to Strangers: What We Should Know About the People We Don't Know. [London]: Allen Lane, 2019.
MLA-viite (9. p.)Gladwell, Malcolm. Talking to Strangers: What We Should Know About the People We Don't Know. Allen Lane, 2019.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.