Keith Brown & Sarah Ogilvie. (2009). Concise encyclopaedia of languages of the world. Elsevier.
Čikaški stil citiranjaKeith Brown i Sarah Ogilvie. Concise Encyclopaedia of Languages of the World. Amsterdam: Elsevier, 2009.
MLA način citiranjaKeith Brown i Sarah Ogilvie. Concise Encyclopaedia of Languages of the World. Elsevier, 2009.
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