(1980). Smithsonian year 1979: Annual report of the Smithsonian Institution for the year ended September 30, 1979. Washington: Smithsonian Institution Press.
Παραπομπή Chicago StyleSmithsonian Year 1979: Annual Report of the Smithsonian Institution for the Year Ended September 30, 1979. Washington: Smithsonian Institution Press, 1980.
Παραπομπή MLASmithsonian Year 1979: Annual Report of the Smithsonian Institution for the Year Ended September 30, 1979. Washington: Smithsonian Institution Press, 1980.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.