Leithwood, K. A., Clipsham, J. S., & Davies, C. (1974). The individualized system: Courses and patterns of student choice. Ontario Institute for Studies in Education.
Citazione stile Chigago Style (17a edizione)Leithwood, Kenneth A., John S. Clipsham, e Cheryl Davies. The Individualized System: Courses and Patterns of Student Choice. Toronto: Ontario Institute for Studies in Education, 1974.
Citatione MLA (8a ed.)Leithwood, Kenneth A., et al. The Individualized System: Courses and Patterns of Student Choice. Ontario Institute for Studies in Education, 1974.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.