Dyfyniad APA

Hadamard Jacques. (1949). Essay on psychology of invention in the mathematical field.

Dyfyniad Arddull Chicago

Hadamard Jacques. Essay on Psychology of Invention in the Mathematical Field. 1949.

Dyfyniad MLA

Hadamard Jacques. Essay on Psychology of Invention in the Mathematical Field. 1949.

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