Berenstain, S. Bears' Picnic. Random House Books For Young Readers.
Cita Chicago (17th ed.)Berenstain, Stan. Bears' Picnic. Random House Books For Young Readers.
Cita MLA (8th ed.)Berenstain, Stan. Bears' Picnic. Random House Books For Young Readers.
Atenció: Aquestes cites poden no estar 100% correctes.