Παραπομπή σε μορφή APA (7η εκδ.)

O'Rourke, T. D., & Hobelman, A. G. (1992). Excavation and support for the urban infrastructure. American Society of Civil Engineers.

Παραπομπή σε μορφή Chicago (17η εκδ.)

O'Rourke, T. D., και A. G. Hobelman. Excavation and Support for the Urban Infrastructure. New York, N.Y: American Society of Civil Engineers, 1992.

Παραπομπή σε μορφή MLA (8th εκδ.)

O'Rourke, T. D., και A. G. Hobelman. Excavation and Support for the Urban Infrastructure. American Society of Civil Engineers, 1992.