APA Format
Purnadi Purbacaraka;
. (1990). Disiplin hukum
/ Purnadi Purbacaraka
. Bandung : Citra Aditya Bakti
MLA Format
Purnadi Purbacaraka;
. Disiplin hukum
/ Purnadi Purbacaraka
. Bandung : Citra Aditya Bakti, 1990
Chicago Format
Purnadi Purbacaraka;
. Disiplin hukum
/ Purnadi Purbacaraka
. Bandung : Citra Aditya Bakti, 1990
Australian/Harvard Format
Purnadi Purbacaraka;
. 1990. Disiplin hukum
/ Purnadi Purbacaraka
. Citra Aditya Bakti Bandung