APA
Sibley R., . (1995). Behaviour at work. Cheltenham: United Kingdom.
Chicago
Sibley Rob, . 1995. Behaviour at work. Cheltenham: United Kingdom.
Harvard
Sibley R., . (1995). Behaviour at work. Cheltenham: United Kingdom.
MLA
Sibley Rob, . Behaviour at work. Cheltenham: United Kingdom. 1995.