Padberg, S. (1992). Who Are These People and What Are They Doing and Why? e-Publications@Marquette.
Chicago-viite (17. p.)Padberg, S.J. Who Are These People and What Are They Doing and Why? e-Publications@Marquette, 1992.
MLA-viite (8. p.)Padberg, S.J. Who Are These People and What Are They Doing and Why? e-Publications@Marquette, 1992.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.