APA aipamena

Naber, T., Blackwell, A., & johnstone, M. (2003). English knowhow: Student book Opener. New York: Oxford University Press.

Chicago Style aipamena

Naber, Therese, Angela Blackwell, và Michelle johnstone. English Knowhow: Student Book Opener. New York: Oxford University Press, 2003.

MLA aipamena

Naber, Therese, Angela Blackwell, và Michelle johnstone. English Knowhow: Student Book Opener. New York: Oxford University Press, 2003.