APA

DAVIES P. A., GRAHAM C., . (2004). Sparks. Oxford: Oxford University Press.

Chicago

DAVIES P A, GRAHAM C, . 2004. Sparks. Oxford: Oxford University Press.

Harvard

DAVIES P. A., GRAHAM C., . (2004). Sparks. Oxford: Oxford University Press.

MLA

DAVIES P A, GRAHAM C, . Sparks. Oxford: Oxford University Press. 2004.