Παραπομπή APA

Attard, G., & Barnes, C. (1998). Surfaces. Oxford University Press.

Παραπομπή Chicago Style

Attard, Gary, και Colin Barnes. Surfaces. Oxford ; New York: Oxford University Press, 1998.

Παραπομπή MLA

Attard, Gary, και Colin Barnes. Surfaces. Oxford University Press, 1998.