Gaya APA

Nolasco, Rob, Maley, Alan. (1993). Writing upper-intermediate . Oxford: Oxford University Press.

Gaya Chicago

Nolasco, Rob, Maley, Alan. Writing upper-intermediate. Oxford: Oxford University Press, 1993. Buku.

Gaya MLA

Nolasco, Rob, Maley, Alan. Writing upper-intermediate. Oxford: Oxford University Press, 1993. Buku.

Gaya Turabian

Nolasco, Rob, Maley, Alan. Writing upper-intermediate. Oxford: Oxford University Press, 1993. Buku.