एपीए उद्धरण

Ayling, J., Grabosky, P., & Shearing, C. (2009). Lengthening the arm of the law: Enhancing police resources in the twenty-first centurey. Cambridge university press.

शिकागो स्टाइल उद्धरण

Ayling, Julie, Peter Grabosky, और Clifford Shearing. Lengthening the Arm of the Law: Enhancing Police Resources in the Twenty-first Centurey. Cambridge: Cambridge university press, 2009.

एमएलए उद्धरण

Ayling, Julie, et al. Lengthening the Arm of the Law: Enhancing Police Resources in the Twenty-first Centurey. Cambridge university press, 2009.