Unknown. (2023). Official guide to the museums of economic botany. For His Majesty's Stationery Office, London.
Chicago-referens (17:e uppl.)Unknown. Official Guide to the Museums of Economic Botany. For His Majesty's Stationery Office, London, 2023.
MLA-referens (9:e uppl.)Unknown. Official Guide to the Museums of Economic Botany. For His Majesty's Stationery Office, London, 2023.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.