Orlich, D. C. (1980). Teaching strategies: A guide to better instruction. D.C. Heath and Co..
Lua i Stíl Chicago (17ú heag.)Orlich, Donald C. Teaching Strategies: A Guide to Better Instruction. Lexington: D.C. Heath and Co., 1980.
Lua MLA (9ú heag.)Orlich, Donald C. Teaching Strategies: A Guide to Better Instruction. D.C. Heath and Co., 1980.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.