Gaya APA
Purbacaraka, P.
(1993).
Perihal kaedah hukum
.
Bandung:
Citra Aditya Bakti.
Gaya MLA
Purbacaraka, Purnadi.
"Perihal kaedah hukum".
Bandung:
Citra Aditya Bakti,
1993.
Printed Book.