APA Style
HUBBARD, R. Glenn. (2013).
Economics (Edisi ke- 4).
Essex:
Pearson Education Limited.
Chicago Style
HUBBARD, R. Glenn.
Economics.
Edisi ke- 4
Essex:
Pearson Education Limited,
2013.
.
MLA Style
HUBBARD, R. Glenn.
Economics.
Edisi ke- 4
Essex:
Pearson Education Limited,
2013.
.
Turabian Style
HUBBARD, R. Glenn.
Economics.
Edisi ke- 4
Essex:
Pearson Education Limited,
2013.
.