Record Citations
APA CitationPerttilä, Pekka.
Chicago Style CitationPerttilä, Pekka.
MLA CitationPerttilä, Pekka.
Remember to check citations for accuracy before including them in your work.
Perttilä, Pekka.
Chicago Style CitationPerttilä, Pekka.
MLA CitationPerttilä, Pekka.