Petrič, E. (2013). Foreign policy: From conception to diplomatic practice. Martinus Nijhoff Publishers.
Chicago-referens (17:e uppl.)Petrič, Ernest. Foreign Policy: From Conception to Diplomatic Practice. Leiden: Martinus Nijhoff Publishers, 2013.
MLA-referens (9:e uppl.)Petrič, Ernest. Foreign Policy: From Conception to Diplomatic Practice. Martinus Nijhoff Publishers, 2013.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.