Gaya APA
AZ, L, S., Lukman, S, A.
(2016).
Hukum perikatan
.
Malang:
Setara Press.
Gaya MLA
AZ, Lukman, Santoso., Lukman, SANTOSO, AZ,.
"Hukum perikatan".
Malang:
Setara Press,
2016.
Printed Book.