Watkins, D. A. (1983). Improving the quality of learning and teaching in the Philippines: A research program.
Lua i Stíl Chicago (17ú heag.)Watkins, David Arthur. Improving the Quality of Learning and Teaching in the Philippines: A Research Program. 1983.
Lua MLA (9ú heag.)Watkins, David Arthur. Improving the Quality of Learning and Teaching in the Philippines: A Research Program. 1983.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.