@book
{TN_libero_mab2,
author = {
International Debate Education Association
},
title = {
The debatabase book
a must have guide for successful debate
},
edition = {
6. ed.
}
,
publisher = {International Debate Education Association},
isbn = {9781617700774},
year = {2013},
address = {
New York [u.a.]
},
url = {
http://slubdd.de/katalog?TN_libero_mab2
}
}