MacNeilage, P. F. and Davis, B. L. (2000) Evolution of speech: The relation between ontogeny and phylogeny. In Chris Knight and James R. Hurford and Michael Studdert-Kennedy, editors, The Evolutionary Emergence of Language: Social Function and the Origins of Linguistic Form . Cambridge: Cambridge University Press.

MacNeilage, P. F. and Davis, B. L. (2000) Evolution of speech: The relation between ontogeny and phylogeny. In Chris Knight and James R. Hurford and Michael Studdert-Kennedy, editors, The Evolutionary Emergence of Language: Social Function and the Origins of Linguistic Form. Cambridge: Cambridge University Press.

2006	-	Embedded structure and the evolution of phonology - Brown,Golston	::
		MacNeilage P.F. & B.L. Davis. (2000). Evolution of speech: The relation between ontogeny and phylogeny. In C. Knight, M. Studdert-Kennedy, & J.R. Hurford, (Eds.), The evolutionary emergence of language: social function and the origins of linguistic form, (pp. 146-160). Cambridge: Cambridge University Press.