SLAVIN, R. E. (1986). Educational psychology: Theory into practice.-- Ed.2. Prentice-Hall.
Lua i Stíl Chicago (17ú heag.)SLAVIN, Robert E. Educational Psychology: Theory into Practice.-- Ed.2. Englewood Cliffs: Prentice-Hall, 1986.
Lua MLA (9ú heag.)SLAVIN, Robert E. Educational Psychology: Theory into Practice.-- Ed.2. Prentice-Hall, 1986.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.