Gaya APA
Firmansyah, H.
(2013).
Advanced Learning Economics XI
(
Cet.I)
.
Bandung:
Grafindo Media Pratama.
Gaya MLA
Firmansyah, Herlan.
"Advanced Learning Economics XI".
Cet.I
Bandung:
Grafindo Media Pratama,
2013.
Printed Book.