Gaya APA
Koop, Gary. (2009).
Analysis of Economic Data (Ed. Ke-3).
New Jersey:
John Wiley and Son.
Gaya Chicago
Koop, Gary.
Analysis of Economic Data.
Ed. Ke-3
New Jersey:
John Wiley and Son,
2009.
Buku Teks.
Gaya MLA
Koop, Gary.
Analysis of Economic Data.
Ed. Ke-3
New Jersey:
John Wiley and Son,
2009.
Buku Teks.
Gaya Turabian
Koop, Gary.
Analysis of Economic Data.
Ed. Ke-3
New Jersey:
John Wiley and Son,
2009.
Buku Teks.