Seguin, R. (1989). The elaboration of school textbooks: Methodological guide. Division of Educational Sciences, Contents and Methods of Education.
Chicago-referens (17:e uppl.)Seguin, Roger. The Elaboration of School Textbooks: Methodological Guide. [Paris]: Division of Educational Sciences, Contents and Methods of Education, 1989.
MLA-referens (9:e uppl.)Seguin, Roger. The Elaboration of School Textbooks: Methodological Guide. Division of Educational Sciences, Contents and Methods of Education, 1989.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.