Παραπομπή APA

Johnstone, P. T. (1992). Stone spaces. Cambridge University Press.

Παραπομπή Chicago Style

Johnstone, P. T. Stone Spaces. Cambridge [Cambridgeshire] ; New York: Cambridge University Press, 1992.

Παραπομπή MLA

Johnstone, P. T. Stone Spaces. Cambridge University Press, 1992.