APA (7e ed.) Bronvermelding

Não informado. (1999). Security advisor. Advisor Publications.

Chicago (17e ed.) Bronvermelding

Não informado. Security Advisor. San Diego, Calif: Advisor Publications, 1999.

MLA (8e ed.) Bronvermelding

Não informado. Security Advisor. Advisor Publications, 1999.

Let op: Deze citaties zijn niet altijd 100% accuraat.