(2009). A career in professional baseball. Institute for Career Research.
Chicago-viite (17. p.)A Career in Professional Baseball. [Chicago, Ill.]: Institute for Career Research, 2009.
MLA-viite (8. p.)A Career in Professional Baseball. Institute for Career Research, 2009.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.