Gaya APA
s, A.
(2011).
Economics 3B : For senior high scool grade xii semester 2
(
Cat. 1)
.
JAKARTA:
Esis.
Gaya MLA
s, Alam.
"Economics 3B : For senior high scool grade xii semester 2".
Cat. 1
JAKARTA:
Esis,
2011.
Text.