Cita APA (7th ed.)

Guevara, R. M., & Viñas, W. d. C. (2015). Police organization and administration: With police planning (Second edition.). Wiseman's Book Trading, Inc.

Cita Chicago (17th ed.)

Guevara, Ricardo M., i Willard dela Cruz Viñas. Police Organization and Administration: With Police Planning. Second edition. Quezon City: Wiseman's Book Trading, Inc, 2015.

Cita MLA (9th ed.)

Guevara, Ricardo M., i Willard dela Cruz Viñas. Police Organization and Administration: With Police Planning. Second edition. Wiseman's Book Trading, Inc, 2015.