Lua APA (7ú heag.)

Blough, G. O., & Schwartz, J. (1974). Elementary school science and how to teach it (5th ed.). Holt, Rinehart and Winston.

Lua i Stíl Chicago (17ú heag.)

Blough, Glenn Orlando, agus Julius Schwartz. Elementary School Science and How to Teach It. 5th ed. New York: Holt, Rinehart and Winston, 1974.

Lua MLA (8ú heag.)

Blough, Glenn Orlando, agus Julius Schwartz. Elementary School Science and How to Teach It. 5th ed. Holt, Rinehart and Winston, 1974.

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