Big, Ioan
Bucureşti
RAO
2006
9737171012
Shipton, Paul
Harlow
Pearson Education Limited
2002
582512484
Cefrey, Holly
New York
Children 's Press
2003
516243241
Denenberg, Barry
Scholastic
439528119
Enciclopedia RAO
[2006]
9737170474
Editura Muzicală
1976
1973