APA-viite (7. p.)
Tjøm, P., & Elbek, B. (1969). A Study of energy levels in odd-mass erbium nuclei by means of <d,p> and <d,t> reactions. Munksgaard.
Chicago-viite (17. p.)
Tjøm, P.O, ja Bent Elbek. A Study of Energy Levels in Odd-mass Erbium Nuclei by Means of <d,p> and <d,t> Reactions. København: Munksgaard, 1969.
MLA-viite (9. p.)
Tjøm, P.O, ja Bent Elbek. A Study of Energy Levels in Odd-mass Erbium Nuclei by Means of <d,p> and <d,t> Reactions. Munksgaard, 1969.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.