@misc
{TN_libero_mab2,
author = {
Karau, Steven J.
AND
Williams, Kipling D.
},
title = {
Social loafing: A meta-analytic review and theoretical integration.
},
publisher = {American Psychological Association (APA)},
isbn = {0022-3514},
year = {1993},
url = {
http://slubdd.de/katalog?TN_libero_mab2
}
}