World Trade Press & ProQuest (Firm). (2010). Burundi: Communications. World Trade Press.
Cita Chicago (17th ed.)World Trade Press i ProQuest (Firm). Burundi: Communications. Petaluma, Calif.: World Trade Press, 2010.
Cita MLA (9th ed.)World Trade Press i ProQuest (Firm). Burundi: Communications. World Trade Press, 2010.
Atenció: Aquestes cites poden no estar 100% correctes.
