Shackelford, J. (2013). Northern light and northern times: Swedish leadership in the foundation of biological rhythms research. American Philosophical Soc.
Chicago-Zitierstil (17. Ausg.)Shackelford, Jole. Northern Light and Northern Times: Swedish Leadership in the Foundation of Biological Rhythms Research. Philadelphia: American Philosophical Soc, 2013.
MLA-Zitierstil (9. Ausg.)Shackelford, Jole. Northern Light and Northern Times: Swedish Leadership in the Foundation of Biological Rhythms Research. American Philosophical Soc, 2013.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.