APA (7th ed.) Zitazioa
Roberts, I. G. (2005). Principles and parameters in a VSO language: A case study in Welsh. Oxford University Press.
Chicago Style (17th ed.) Zitazioa
Roberts, Ian G. Principles and Parameters in a VSO Language: A Case Study in Welsh. Oxford ; New York: Oxford University Press, 2005.
MLA (9th ed.) Zitazioa
Roberts, Ian G. Principles and Parameters in a VSO Language: A Case Study in Welsh. Oxford University Press, 2005.
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