APA

Duffy S., . (2012). Mobbing. : Oxford University PressOxford University Press.

Chicago

Duffy Sperry, . 2012. Mobbing. : Oxford University PressOxford University Press.

Harvard

Duffy S., . (2012). Mobbing. : Oxford University PressOxford University Press.

MLA

Duffy Sperry, . Mobbing. : Oxford University PressOxford University Press. 2012.