Não informado. (1938). Notes and Records of the Royal Society of London. Royal Society of London.
Chicago-viite (17. p.)Não informado. Notes and Records of the Royal Society of London. London: Royal Society of London, 1938.
MLA-viite (8. p.)Não informado. Notes and Records of the Royal Society of London. Royal Society of London, 1938.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.