Cita APA (7a ed.)

Hang, Y. Z. (1993). An exploration of the security patrol system in big cities. masch.geschr.Manuskript.

Cita Chicago Style (17a ed.)

Hang, Yuan Zhi. An Exploration of the Security Patrol System in Big Cities. [S.l.]: masch.geschr.Manuskript, 1993.

Cita MLA (8a ed.)

Hang, Yuan Zhi. An Exploration of the Security Patrol System in Big Cities. masch.geschr.Manuskript, 1993.