00393nam a2200133Ia 4500008004100000020002200041050002300063245005400086260002800140500002100168650002500189980003000214999001500244151021s9999    xx            000 0 und d  a7.8057420119e+012  aBF 76.7 .P47 2009   a_pocket Guide to APA style(3rd ed) Robert Perrin   aBoston Wardsworth 2009   aIncludes index.   a_Electronic sources   a^d20110712 12:11:58^oanne  c7845d7845