APA-viite (7. p.)

Knepper, D. H., Jr, & Arbogast, B. F. (2002). Planning for the conservation and development of infrastructure resources in urban areas: Colorado Front Range Urban Corridor. Central Region.

Chicago-viite (17. p.)

Knepper, Daniel H., Jr, ja Belinda F. Arbogast. Planning for the Conservation and Development of Infrastructure Resources in Urban Areas: Colorado Front Range Urban Corridor. Boulder, Colo: Central Region, 2002.

MLA-viite (9. p.)

Knepper, Daniel H., Jr, ja Belinda F. Arbogast. Planning for the Conservation and Development of Infrastructure Resources in Urban Areas: Colorado Front Range Urban Corridor. Central Region, 2002.