APA (7e ed.) Bronvermelding

Mackinder, I. H., & Evans, S. (1981). The predictive accuracy of British transport studies in urban areas. Transport and Road Research Laboratory.

Chicago (17e ed.) Bronvermelding

Mackinder, I. H., en S. Evans. The Predictive Accuracy of British Transport Studies in Urban Areas. Crowthorne, Berkshire: Transport and Road Research Laboratory, 1981.

MLA (9e ed.) Bronvermelding

Mackinder, I. H., en S. Evans. The Predictive Accuracy of British Transport Studies in Urban Areas. Transport and Road Research Laboratory, 1981.