Cita APA (7a ed.)
Karp, H., & Spencer, P. The Happiest Toddler on the Block: How to Eliminate Tantrums and Raise a Patient, Respectful, and Cooperative One- to Four-Year-Old (Ed. rev.). Bantam Books.
Cita estilo Chicago (17a ed.)
Karp, Harvey, y Paula Spencer. The Happiest Toddler on the Block: How to Eliminate Tantrums and Raise a Patient, Respectful, and Cooperative One- to Four-Year-Old. Ed. rev. Nueva York, EUA: Bantam Books.
Cita MLA (9a ed.)
Karp, Harvey, y Paula Spencer. The Happiest Toddler on the Block: How to Eliminate Tantrums and Raise a Patient, Respectful, and Cooperative One- to Four-Year-Old. Ed. rev. Bantam Books.
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