APA ציטוט

Keith Brown & Sarah Ogilvie. (2009). Concise encyclopaedia of languages of the world. Elsevier.

Chicago Edition Citation

Keith Brown and Sarah Ogilvie. Concise Encyclopaedia of Languages of the World. Amsterdam: Elsevier, 2009.

ציטוט MLA

Keith Brown and Sarah Ogilvie. Concise Encyclopaedia of Languages of the World. Elsevier, 2009.