Gaya APA
Gallagher, Nancy. (2013).
DELTA'S KEY TO THE TOEFL IBT; Seven Practice Tests + CD (Revised).
USA:
DELTA PUBLISHING COMPANY.
Gaya Chicago
Gallagher, Nancy.
DELTA'S KEY TO THE TOEFL IBT; Seven Practice Tests + CD.
Revised
USA:
DELTA PUBLISHING COMPANY,
2013.
Text.
Gaya MLA
Gallagher, Nancy.
DELTA'S KEY TO THE TOEFL IBT; Seven Practice Tests + CD.
Revised
USA:
DELTA PUBLISHING COMPANY,
2013.
Text.
Gaya Turabian
Gallagher, Nancy.
DELTA'S KEY TO THE TOEFL IBT; Seven Practice Tests + CD.
Revised
USA:
DELTA PUBLISHING COMPANY,
2013.
Print.