Fodor, J. T., & Dalis, G. T. (1989). Health instruction: Theory and application (4th ed.). Lea & Febiger.
Lua i Stíl Chicago (17ú heag.)Fodor, John T., agus Gus T. Dalis. Health Instruction: Theory and Application. 4th ed. Philadelphia: Lea & Febiger, 1989.
Lua MLA (8ú heag.)Fodor, John T., agus Gus T. Dalis. Health Instruction: Theory and Application. 4th ed. Lea & Febiger, 1989.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.