APA (7th ed.) Citation

Carroll, A. D., Duggan, J. E., & Etchells, R. (1978). Learning by objectives : a teachers' guide / [by] A.D. Carroll, J.E. Duggan and R. Etchells: A teachers' guide. Hutchinson.

Chicago Style (17th ed.) Citation

Carroll, Arnold Dennis, John Edward Duggan, and R. Etchells. Learning by Objectives : A Teachers' Guide / [by] A.D. Carroll, J.E. Duggan and R. Etchells: A Teachers' Guide. London: Hutchinson, 1978.

MLA (9th ed.) Citation

Carroll, Arnold Dennis, et al. Learning by Objectives : A Teachers' Guide / [by] A.D. Carroll, J.E. Duggan and R. Etchells: A Teachers' Guide. Hutchinson, 1978.

Warning: These citations may not always be 100% accurate.