Mussen, P. H. (1980). Essentials of child development and personality. Harper and Row.
Citace podle Chicago (17th ed.)Mussen, Paul Henry. Essentials of Child Development and Personality. Harper and Row, 1980.
Citace podle MLA (9th ed.)Mussen, Paul Henry. Essentials of Child Development and Personality. Harper and Row, 1980.
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