Thorson, C. (1946). The story of the three bears: Ill. by Charles Torson. John Martin's House.
Chicago-viite (17. p.)Thorson, Charles. The Story of the Three Bears: Ill. by Charles Torson. Wisconsin: John Martin's House, 1946.
MLA-viite (8. p.)Thorson, Charles. The Story of the Three Bears: Ill. by Charles Torson. John Martin's House, 1946.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.