Bullowa, M. (1979). Before speech: The beginning of interpersonal communication. Cambridge [et al.] : Cambridge University Press.
Chicago Style CitationBullowa, Margaret. Before Speech: The Beginning of Interpersonal Communication. Cambridge [et al.] : Cambridge University Press, 1979.
MLA CitationBullowa, Margaret. Before Speech: The Beginning of Interpersonal Communication. Cambridge [et al.] : Cambridge University Press, 1979.
Figyelmeztetés: Nem biztos, hogy ezek a forráshivatkozások 100%-ig pontosak.