APA

Willings D. R., . (1968). The human element in management. London: Batsford.

Chicago

Willings David Richard, . 1968. The human element in management. London: Batsford.

Harvard

Willings D. R., . (1968). The human element in management. London: Batsford.

MLA

Willings David Richard, . The human element in management. London: Batsford. 1968.