Welton, D. A. (1988). Children and their world: Strategies for teaching (3rd.ed.). Houghton Mifflin.
Cita Chicago Style (17a ed.)Welton, David A. Children and Their World: Strategies for Teaching. 3rd.ed. Dallas: Houghton Mifflin, 1988.
Cita MLA (9a ed.)Welton, David A. Children and Their World: Strategies for Teaching. 3rd.ed. Houghton Mifflin, 1988.
Precaución: Estas citas no son 100% exactas.