Gaya APA
Student Problem Set for Use with the Economy Today. (2003).
Boston:
Mc Graw Hill.
Gaya Chicago
Student Problem Set for Use with the Economy Today.
9th.
Boston:
Mc Graw Hill,
2003.
Buku.
Gaya MLA
Student Problem Set for Use with the Economy Today.
9th.
Boston:
Mc Graw Hill,
2003.
Buku.
Gaya Turabian
Student Problem Set for Use with the Economy Today.
Boston:
Mc Graw Hill,
2003.
Buku.