Não informado. (2000). Saturday Review of the Sciences. Saturday Review Associates.
Chicago-viite (17. p.)Não informado. Saturday Review of the Sciences. San Francisco, Calif: Saturday Review Associates, 2000.
MLA-viite (8. p.)Não informado. Saturday Review of the Sciences. Saturday Review Associates, 2000.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.