APA aipamena

Du Plessis, N. (1970). An introduction to potential theory. Oliver & Boyd.

Chicago Style aipamena

Du Plessis, Nicolaas. An Introduction to Potential Theory. Edinburgh,: Oliver & Boyd, 1970.

MLA aipamena

Du Plessis, Nicolaas. An Introduction to Potential Theory. Oliver & Boyd, 1970.