APA (7e ed.) Bronvermelding

Brick, G. A. (2009). Subterranean twin cities. University of Minnesota Press.

Chicago (17e ed.) Bronvermelding

Brick, Greg A. Subterranean Twin Cities. Minneapolis: University of Minnesota Press, 2009.

MLA (9e ed.) Bronvermelding

Brick, Greg A. Subterranean Twin Cities. University of Minnesota Press, 2009.