Valadian, I., & Porter, D. (1977). Physical growth and development: From conception to maturity. Little, Brown.
Lua i Stíl Chicago (17ú heag.)Valadian, Isabelle, agus Douglas Porter. Physical Growth and Development: From Conception to Maturity. Boston: Little, Brown, 1977.
Lua MLA (9ú heag.)Valadian, Isabelle, agus Douglas Porter. Physical Growth and Development: From Conception to Maturity. Little, Brown, 1977.
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