APA-viite (7. p.)

ebrary, Inc, & Loftus, J. P. (1989). Orbital debris from upper-stage breakup. American Institute of Aeronautics and Astronautics, Inc..

Chicago-viite (17. p.)

ebrary, Inc, ja Joseph P. Loftus. Orbital Debris from Upper-stage Breakup. Washington, D.C.: American Institute of Aeronautics and Astronautics, Inc., 1989.

MLA-viite (9. p.)

ebrary, Inc, ja Joseph P. Loftus. Orbital Debris from Upper-stage Breakup. American Institute of Aeronautics and Astronautics, Inc., 1989.