Gaya APA
HIGBY, E., HUDON, E. (2007).
TOEFL iBT WITH CD-ROM: Powerful, Practival Tools to Help You Score Higher (2008-2009).
:
.
Gaya MLA
HIGBY, Eve., HUDON, Emily.
"TOEFL iBT WITH CD-ROM: Powerful, Practival Tools to Help You Score Higher".
2008-2009
:
,
2007.
Text.