Dyfyniad APA

Brockman, J. (2014). What Should We Be Worried About?: Real Scenarios that Keep Scientists up at Night (1st.). Harper.

Dyfyniad Arddull Chicago

Brockman, John. What Should We Be Worried About?: Real Scenarios That Keep Scientists Up at Night. 1st. London: Harper, 2014.

Dyfyniad MLA

Brockman, John. What Should We Be Worried About?: Real Scenarios That Keep Scientists Up at Night. 1st. Harper, 2014.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.