APA-viite (7. p.)
Friedrichs, J. European Approaches to International Relations Theory: A House with Many Mansions. Routledge.
Chicago-viite (17. p.)
Friedrichs, Jörg. European Approaches to International Relations Theory: A House with Many Mansions. Londres, Inglaterra: Routledge.
MLA-viite (9. p.)
Friedrichs, Jörg. European Approaches to International Relations Theory: A House with Many Mansions. Routledge.
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