APA-viite (7. p.)

Puhakka, P. (1974). Level structure of 157Tb from the decay of 157Dy. Dept. of Physics, University of Helsinki.

Chicago-viite (17. p.)

Puhakka, Pertti. Level Structure of 157Tb from the Decay of 157Dy. Helsinki: Dept. of Physics, University of Helsinki, 1974.

MLA-viite (8. p.)

Puhakka, Pertti. Level Structure of 157Tb from the Decay of 157Dy. Dept. of Physics, University of Helsinki, 1974.