Brockman, J. (2014). What Should We Be Worried About?: Real Scenarios that Keep Scientists up at Night (1st.). Harper.
Chicago Style aipamenaBrockman, John. What Should We Be Worried About?: Real Scenarios That Keep Scientists Up at Night. 1st. London: Harper, 2014.
MLA aipamenaBrockman, John. What Should We Be Worried About?: Real Scenarios That Keep Scientists Up at Night. 1st. Harper, 2014.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.