Gaya APA
Proctor, Susan, Richards, Jack C, Hull, Jonathan. (1997).
New Interchange Workbook 1 .
UK:
Cambridge University Press.
Gaya Chicago
Proctor, Susan, Richards, Jack C, Hull, Jonathan.
New Interchange Workbook 1.
UK:
Cambridge University Press,
1997.
.
Gaya MLA
Proctor, Susan, Richards, Jack C, Hull, Jonathan.
New Interchange Workbook 1.
UK:
Cambridge University Press,
1997.
.
Gaya Turabian
Proctor, Susan, Richards, Jack C, Hull, Jonathan.
New Interchange Workbook 1.
UK:
Cambridge University Press,
1997.
.