Dyfyniad APA

Calder, R. (1935). The birth of the future. London: Arthur barker Limited.

Dyfyniad Arddull Chicago

Calder, Ritchie. The Birth of the Future. London: Arthur barker Limited, 1935.

Dyfyniad MLA

Calder, Ritchie. The Birth of the Future. London: Arthur barker Limited, 1935.

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