Lua APA (7ú heag.)
Crabtree, J. (1982). Basic principles of effective teaching. Standard Pub..
Lua i Stíl Chicago (17ú heag.)
Crabtree, June. Basic Principles of Effective Teaching. Cincinnati, Ohio: Standard Pub., 1982.
Lua MLA (9ú heag.)
Crabtree, June. Basic Principles of Effective Teaching. Standard Pub., 1982.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.