@book
{TN_libero_mab2,
author = {
Imperial, Francisco
Nepaulsingh, Colbert I.
},
title = {
"El dezir a las syete virtudes" y otros poemas
},
publisher = {Espasa-Calpe},
isbn = {8423932214},
isbn = {8423935213},
isbn = {8423938212},
year = {1977},
booktitle = {Clásicos castellanos ; 221},
address = {
Madrid
},
url = {
http://slubdd.de/katalog?TN_libero_mab2
}
}