Cook, P., & Brazell, I. (1975). Supercoils in human DNA.
Chicago Style aipamenaCook, P., and I. Brazell. Supercoils in Human DNA. 1975.
MLA aipamenaCook, P., and I. Brazell. Supercoils in Human DNA. 1975.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.