Dyfyniad APA

(1973). Changing perspectives in the history of science: Essays in honour of Joseph Needham. London: Heinemann Educational.

Dyfyniad Arddull Chicago

Changing Perspectives in the History of Science: Essays in Honour of Joseph Needham. London: Heinemann Educational, 1973.

Dyfyniad MLA

Changing Perspectives in the History of Science: Essays in Honour of Joseph Needham. London: Heinemann Educational, 1973.

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