Gaya APA
Naja, H, R, D.
(2006).
Contract Drafting
(
ed. rev.cet. 2)
.
Solo:
Citra Aditya Bakti.
Gaya MLA
Naja, H., R., Daeng.
"Contract Drafting".
ed. rev.cet. 2
Solo:
Citra Aditya Bakti,
2006.
Buku Teks.