Gaya APA
Stupak,Steven A. ().
Seven Practive Tests .
Prentice hall:
2001.
Gaya Chicago
Stupak,Steven A.
Seven Practive Tests.
Prentice hall:
2001,
.
Buku.
Gaya MLA
Stupak,Steven A.
Seven Practive Tests.
Prentice hall:
2001,
.
Buku.
Gaya Turabian
Stupak,Steven A.
Seven Practive Tests.
Prentice hall:
2001,
.
Buku.