APA-viite (7. p.)
Pelton, J. N., & Marshall, P. (2006). Space exploration and astronaut safety. American Institute of Aeronautics and Astronautics.
Chicago-viite (17. p.)
Pelton, Joseph N., ja Peter Marshall. Space Exploration and Astronaut Safety. Reston, Va.: American Institute of Aeronautics and Astronautics, 2006.
MLA-viite (9. p.)
Pelton, Joseph N., ja Peter Marshall. Space Exploration and Astronaut Safety. American Institute of Aeronautics and Astronautics, 2006.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.