Gear, Jolene
Cambridge preparation for the toefl test
Cambridge university press, 2010
 Buku Teks
Sharpe, Pamela J.
How to prepare for the TOEFL (Test Of English as a Foreign Language)
Barron's, 2001
 Buku Teks
Sharpe, Pamela J.
Barron's: practice exercises for the toefl test 3rd ed. (Kaset 3)
Barron's Educational Series, 1995
 Multimedia
Sharpe, Pamela J.
Barron's: practice exercises for the toefl test 3rd ed. (Kaset 3)
Barron's Educational Series, 1995
 Multimedia
Sharpe, Pamela J.
Barron's: practice exercises for the toefl test 3rd ed. (Kaset 2)
Barron's Educational Series, 1995
 Multimedia