Wever, R. A. (1979). The circadian system of man: Results of experiments under temporal isolation. Springer-Verlag.
Chicago-viite (17. p.)Wever, R|tger A. The Circadian System of Man: Results of Experiments Under Temporal Isolation. New York: Springer-Verlag, 1979.
MLA-viite (9. p.)Wever, R|tger A. The Circadian System of Man: Results of Experiments Under Temporal Isolation. Springer-Verlag, 1979.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.