APA (7e ed.) Bronvermelding

Coppock, J. T., & Duffield, B. S. (1975). Recreation in the countryside: A spatial analysis. Macmillan.

Chicago (17e ed.) Bronvermelding

Coppock, J. T., en Brian S. Duffield. Recreation in the Countryside: A Spatial Analysis. London: Macmillan, 1975.

MLA (8e ed.) Bronvermelding

Coppock, J. T., en Brian S. Duffield. Recreation in the Countryside: A Spatial Analysis. Macmillan, 1975.