Zeitnitz, E. b. B. Few body problems in physics volume contributed papers. North-Holand.
Chicago-referens (17:e uppl.)Zeitnitz, Edited by B. Few Body Problems in Physics Volume Contributed Papers. North-Holand.
MLA-referens (8:e uppl.)Zeitnitz, Edited by B. Few Body Problems in Physics Volume Contributed Papers. North-Holand.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.