Gaya APA

Beaty, J, F., Samuelson, S, S. (2003). (PASCA - TEKNIK SIPIL) Legal Environment : For A New Century (1). USA: Thomson.

Gaya MLA

Beaty, Jeffrey, F.., Samuelson, Susan, S.. "(PASCA - TEKNIK SIPIL) Legal Environment : For A New Century". 1 USA: Thomson, 2003. .