APA (7e ed.) Bronvermelding

Copson, E. T. (1968). Metric spaces. Cambridge University Press.

Chicago (17e ed.) Bronvermelding

Copson, Edward Thomas. Metric Spaces. Cambridge: Cambridge University Press, 1968.

MLA (9e ed.) Bronvermelding

Copson, Edward Thomas. Metric Spaces. Cambridge University Press, 1968.