Naber, T., Blackwell, A., & Manin, G. J. (2004). English knowhow: Student book 2. New York: Oxford University Press.
Chicago Style aipamenaNaber, Therese, Angela Blackwell, và Gregory J. Manin. English Knowhow: Student Book 2. New York: Oxford University Press, 2004.
MLA aipamenaNaber, Therese, Angela Blackwell, và Gregory J. Manin. English Knowhow: Student Book 2. New York: Oxford University Press, 2004.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.