Berenstain, J. Berenstain Bears Go On Vacation. Harpercollins.
Cita Chicago (17th ed.)Berenstain, Jan. Berenstain Bears Go On Vacation. Harpercollins.
Cita MLA (8th ed.)Berenstain, Jan. Berenstain Bears Go On Vacation. Harpercollins.
Atenció: Aquestes cites poden no estar 100% correctes.