Não informado. (1959). Science Education News. American Association for the Advancement of Science.
Παραπομπή σε μορφή Chicago (17η εκδ.)Não informado. Science Education News. Washington: American Association for the Advancement of Science, 1959.
Παραπομπή σε μορφή MLA (8th εκδ.)Não informado. Science Education News. American Association for the Advancement of Science, 1959.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.