Gaya APA
Singer, I., Grosshauser, P. (2004).
Houghton Mifflin leveled readers : the sweetest present .
Boston:
Houghton Mifflin.
Gaya MLA
Singer, Irma., Grosshauser, Peter.
"Houghton Mifflin leveled readers : the sweetest present".
Boston:
Houghton Mifflin,
2004.
Text.