Não informado. (2020). Memoirs of the National Academy of Sciences. Government Printing Office.
Chicago-viite (17. p.)Não informado. Memoirs of the National Academy of Sciences. Washington: Government Printing Office, 2020.
MLA-viite (8. p.)Não informado. Memoirs of the National Academy of Sciences. Government Printing Office, 2020.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.