(1969). 100 Great scientists. Pocket.
Chicago Style (17th ed.) Zitazioa100 Great Scientists. New York: Pocket, 1969.
MLA (9th ed.) Zitazioa100 Great Scientists. Pocket, 1969.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.
(1969). 100 Great scientists. Pocket.
Chicago Style (17th ed.) Zitazioa100 Great Scientists. New York: Pocket, 1969.
MLA (9th ed.) Zitazioa100 Great Scientists. Pocket, 1969.