(2015). Pro-voice: How to keep listening when the world wants a fight / Aspen Baker.
Chicago-viite (17. p.)Pro-voice: How to Keep Listening When the World Wants a Fight / Aspen Baker. 2015.
MLA-viite (9. p.)Pro-voice: How to Keep Listening When the World Wants a Fight / Aspen Baker. 2015.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.