Puhakka, P. (1974). Level structure of 157Tb from the decay of 157Dy. Dept. of Physics, University of Helsinki.
Čikaški stil citiranja (17. izdanje)Puhakka, Pertti. Level Structure of 157Tb from the Decay of 157Dy. Helsinki: Dept. of Physics, University of Helsinki, 1974.
MLA način citiranja (8. izdanje)Puhakka, Pertti. Level Structure of 157Tb from the Decay of 157Dy. Dept. of Physics, University of Helsinki, 1974.
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