Não informado. (2018). Report of the National Research Council. National Research Council.
Παραπομπή σε μορφή Chicago (17η εκδ.)Não informado. Report of the National Research Council. Washington: National Research Council, 2018.
Παραπομπή σε μορφή MLA (8th εκδ.)Não informado. Report of the National Research Council. National Research Council, 2018.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.