APA (7e ed.) Bronvermelding

Guevara, R. M., & Tatoy, R. S. (2010). Police intelligence and secret service. Wiseman's Books Trading.

Chicago (17e ed.) Bronvermelding

Guevara, Ricardo M., en Rodolfo S. Tatoy. Police Intelligence and Secret Service. Quezon City: Wiseman's Books Trading, 2010.

MLA (9e ed.) Bronvermelding

Guevara, Ricardo M., en Rodolfo S. Tatoy. Police Intelligence and Secret Service. Wiseman's Books Trading, 2010.