APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

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

MLA (9th ed.) Citation

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