Dyfyniad APA

Brockman, J. (2003). next fifty years: Science in the first half of the twenty first century. Phonix.

Dyfyniad Arddull Chicago

Brockman, John. Next Fifty Years: Science in the First Half of the Twenty First Century. London: Phonix, 2003.

Dyfyniad MLA

Brockman, John. Next Fifty Years: Science in the First Half of the Twenty First Century. Phonix, 2003.

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