APA
Fysiikan Laboratorio, . (1977). Research report / Helsinki University of Technology, Laboratory of Physics. Helsinki [u.a.]: .
Chicago
Fysiikan Laboratorio, . 1977. Research report / Helsinki University of Technology, Laboratory of Physics. Helsinki [u.a.]: .
Harvard
Fysiikan Laboratorio, . (1977). Research report / Helsinki University of Technology, Laboratory of Physics. Helsinki [u.a.]: .
MLA
Fysiikan Laboratorio, . Research report / Helsinki University of Technology, Laboratory of Physics. Helsinki [u.a.]: . 1977.