Gaya APA
Hasan, A. et al
(2016).
Step by Step Bisnis Properti
.
Yogyakarta : Bandung::
Kobis.
Gaya MLA
Hasan, Almira. et al.
"Step by Step Bisnis Properti".
Yogyakarta : Bandung::
Kobis,
2016.
Book.