Cita APA

Whitfield, P. R. (1975). Cretivity in industry. Middlesex: Penguin Books.

Chicago Style Citation

Whitfield, P. R. Cretivity in Industry. Middlesex: Penguin Books, 1975.

Cita MLA

Whitfield, P. R. Cretivity in Industry. Middlesex: Penguin Books, 1975.

Atenció: Aquestes cites poden no estar 100% correctes.