APA stil citiranja
Christophersen, P. (1964). An english phonetics course: An english phonetics course (5th ed.). London: Longmans.
Chicago stil citiranjaChristophersen, Paul. An english phonetics course: An english phonetics course. 5th ed. London: Longmans, 1964.
MLA stil citiranjaChristophersen, Paul. An english phonetics course: An english phonetics course. 5th ed. London: Longmans, 1964.
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