APA引文

Pepper, I. K., & Pepper, H. (2009). Keywords in policing. Open University Press.

Chicago Style (17th ed.) Citation

Pepper, Ian K., and Helen Pepper. Keywords in Policing. Maidenhead, Berkshire, Eng.: Open University Press, 2009.

MLA引文

Pepper, Ian K., and Helen Pepper. Keywords in Policing. Open University Press, 2009.