Gaya APA
S, F, H, B.
(2007).
Principles of macro economics
(
Ed.3)
.
Hoboken, NJ:
Sams.
Gaya MLA
S, Frank,Robert, H.Bernanke,, Ben.
"Principles of macro economics".
Ed.3
Hoboken, NJ:
Sams,
2007.
Text.