Style de citation APA (7e éd.)

Georgiev Venelin & Longdom Publishing. Functions, Principles and Problems of the Security System.

Style de citation Chicago (17e éd.)

Georgiev Venelin et Longdom Publishing. Functions, Principles and Problems of the Security System.

Style de citation MLA (9e éd.)

Georgiev Venelin et Longdom Publishing. Functions, Principles and Problems of the Security System.

Attention : ces citations peuvent ne pas être correctes à 100%.