Gaya APA
SPAVENTA, L, J., SPAVENTA, M, L.
(2001).
Writing to learn: from paragrahp to essay
.
BOSTON:
MCGRAW HILL.
Gaya MLA
SPAVENTA, LOU, J.., SPAVENTA, MARILYNN, L..
"Writing to learn: from paragrahp to essay".
BOSTON:
MCGRAW HILL,
2001.
Text.