McDiarmid, Norma J. Loving and learning : : interacting with your child from birth to three / [electronic resource] / Norma J. McDiarmid, Mari A. Peterson, James R. Sutherland.. — 1st ed.. — New York : : Harcourt Brace Jovanovich,, [1975]. — xiii, 306 p. : : ill. ; 22 cm.