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. .