Dyfyniad APA

Bernal, J. D. (1969). Science in History. All India People's Science Network.

Dyfyniad Arddull Chicago

Bernal, J. D. Science in History. New Delhi: All India People's Science Network, 1969.

Dyfyniad MLA

Bernal, J. D. Science in History. All India People's Science Network, 1969.

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