APA (7e ed.) Bronvermelding

Tidswell,W.V. (1971). Quantative methods: An approach to socio-economic geography. University Tutorial Press.

Chicago (17e ed.) Bronvermelding

Tidswell,W.V. Quantative Methods: An Approach to Socio-economic Geography. London: University Tutorial Press, 1971.

MLA (9e ed.) Bronvermelding

Tidswell,W.V. Quantative Methods: An Approach to Socio-economic Geography. University Tutorial Press, 1971.