Cita APA

Simpson J M Y & Asher R E. (1994). Encyclopaedia of language and linguistics (v.9). Pergamon.

Chicago Edition Citation

Simpson J M Y i Asher R E. Encyclopaedia of Language and Linguistics (v.9). Oxford: Pergamon, 1994.

Cita MLA

Simpson J M Y i Asher R E. Encyclopaedia of Language and Linguistics (v.9). Pergamon, 1994.