Não informado. (1984). Issues in Science and Technology. National Academy of Sciences.
Παραπομπή σε μορφή Chicago (17η εκδ.)Não informado. Issues in Science and Technology. Washington: National Academy of Sciences, 1984.
Παραπομπή σε μορφή MLA (8th εκδ.)Não informado. Issues in Science and Technology. National Academy of Sciences, 1984.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.