Orlich, D. C. (1985). Teaching strategies: A guide to better instruction (2nd ed.). D.C. Heath.
Lua i Stíl Chicago (17ú heag.)Orlich, Donald C. Teaching Strategies: A Guide to Better Instruction. 2nd ed. Lexington, Mass.: D.C. Heath, 1985.
Lua MLA (8ú heag.)Orlich, Donald C. Teaching Strategies: A Guide to Better Instruction. 2nd ed. D.C. Heath, 1985.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.