Cita APA (7th ed.)

Harlan, J. D., & Rivkin, M. S. (2008). Science experiences for the early childhood years: An integrated affective approach (9th ed.). Pearson.

Cita Chicago (17th ed.)

Harlan, Jean D., i Mary S. Rivkin. Science Experiences for the Early Childhood Years: An Integrated Affective Approach. 9th ed. Upper Sadle River, NJ: Pearson, 2008.

Cita MLA (8th ed.)

Harlan, Jean D., i Mary S. Rivkin. Science Experiences for the Early Childhood Years: An Integrated Affective Approach. 9th ed. Pearson, 2008.