Lua APA (7ú heag.)

Harlan, J. D. (1992). Science experiences for the early childhood years (5th ed.). Macmillan.

Lua i Stíl Chicago (17ú heag.)

Harlan, Jean Durgin. Science Experiences for the Early Childhood Years. 5th ed. New York: Macmillan, 1992.

Lua MLA (9ú heag.)

Harlan, Jean Durgin. Science Experiences for the Early Childhood Years. 5th ed. Macmillan, 1992.

Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.