Não informado. (2000). Saturday Review of the Sciences. Saturday Review Associates.
Παραπομπή σε μορφή Chicago (17η εκδ.)Não informado. Saturday Review of the Sciences. San Francisco, Calif: Saturday Review Associates, 2000.
Παραπομπή σε μορφή MLA (8th εκδ.)Não informado. Saturday Review of the Sciences. Saturday Review Associates, 2000.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.