APA
O'regan, .Surviving and Succeeding in Sen. : Continuum International publishing group 2005.
Chicago
O'regan, .Surviving and Succeeding in Sen. : Continuum International publishing group 2005.
Harvard
O'regan, .Surviving and Succeeding in Sen. : Continuum International publishing group 2005.
MLA
O'regan, .: Continuum International publishing group 2005. .