Gaya APA
Blue Skies Workbook. (2004).
Hoboken, NJ:
Wiley.
Gaya Chicago
Blue Skies Workbook.
.
Hoboken, NJ:
Wiley,
2004.
Text.
Gaya MLA
Blue Skies Workbook.
.
Hoboken, NJ:
Wiley,
2004.
Text.
Gaya Turabian
Blue Skies Workbook.
Hoboken, NJ:
Wiley,
2004.
Print.