Cita APA (7th ed.)

World Trade Press & ProQuest (Firm). (2010). Sri Lanka: Society & culture. World Trade Press.

Cita Chicago (17th ed.)

World Trade Press i ProQuest (Firm). Sri Lanka: Society & Culture. Petaluma, Calif.: World Trade Press, 2010.

Cita MLA (9th ed.)

World Trade Press i ProQuest (Firm). Sri Lanka: Society & Culture. World Trade Press, 2010.