Cita APA (7a ed.)

Roberts, I. G. (2005). Principles and parameters in a VSO language: A case study in Welsh. Oxford University Press.

Cita Chicago Style (17a ed.)

Roberts, Ian G. Principles and Parameters in a VSO Language: A Case Study in Welsh. Oxford ; New York: Oxford University Press, 2005.

Cita MLA (8a ed.)

Roberts, Ian G. Principles and Parameters in a VSO Language: A Case Study in Welsh. Oxford University Press, 2005.