Gaya APA
Hakim, A.
(2015).
Hobi & investasi batu mulia
(
Cet. 1)
.
Jakarta:
Kanaya Press.
Gaya MLA
Hakim, Ariful.
"Hobi & investasi batu mulia".
Cet. 1
Jakarta:
Kanaya Press,
2015.
KONTEN ENTREPRENEUR.