Παραπομπή APA

Castle, D. (1974). Crativity: A tool Of Development In Business. St. Paul's Society.

Παραπομπή Chicago Style

Castle, Derek. Crativity: A Tool Of Development In Business. Allahabad: St. Paul's Society, 1974.

Παραπομπή MLA

Castle, Derek. Crativity: A Tool Of Development In Business. St. Paul's Society, 1974.