(1989). Biopsycology of early parent-infant communication. FCG.
Lua i Stíl Chicago (17ú heag.)Biopsycology of Early Parent-infant Communication. FCG, 1989.
Lua MLA (8ú heag.)Biopsycology of Early Parent-infant Communication. FCG, 1989.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.