Berenstain, J. The Berenstain Bears at the Aquarium. Harpercollins.
Cita Chicago (17th ed.)Berenstain, Jan. The Berenstain Bears at the Aquarium. Harpercollins.
Cita MLA (8th ed.)Berenstain, Jan. The Berenstain Bears at the Aquarium. Harpercollins.
Atenció: Aquestes cites poden no estar 100% correctes.