Lua APA (7ú heag.)
Gronlund, N. E. (1991). How to write and use instructional objectives (4th ed.). Macmillan ; Collier Macmillan Canada.
Lua i Stíl Chicago (17ú heag.)
Gronlund, Norman Edward. How to Write and Use Instructional Objectives. 4th ed. New York : Toronto: Macmillan ; Collier Macmillan Canada, 1991.
Lua MLA (9ú heag.)
Gronlund, Norman Edward. How to Write and Use Instructional Objectives. 4th ed. Macmillan ; Collier Macmillan Canada, 1991.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.