APA Format
Purnadi Purbacaraka;
. (1993). Perihal kaedah hukum
/
. Jakarta : Citra aditya bakti
MLA Format
Purnadi Purbacaraka;
. Perihal kaedah hukum
/
. Jakarta : Citra aditya bakti, 1993
Chicago Format
Purnadi Purbacaraka;
. Perihal kaedah hukum
/
. Jakarta : Citra aditya bakti, 1993
Australian/Harvard Format
Purnadi Purbacaraka;
. 1993. Perihal kaedah hukum
/
. Citra aditya bakti Jakarta