Dyfyniad APA

Association for Supervision and Curriculum Development, ebrary, Inc, & Jacobs, H. H. (2010). Curriculum 21: Essential education for a changing world. Association for Supervision and Curriculum Development.

Dyfyniad Arddull Chicago

Association for Supervision and Curriculum Development, Inc ebrary, and Heidi Hayes Jacobs. Curriculum 21: Essential Education for a Changing World. Alexandria, Va.: Association for Supervision and Curriculum Development, 2010.

Dyfyniad MLA

Association for Supervision and Curriculum Development, et al. Curriculum 21: Essential Education for a Changing World. Association for Supervision and Curriculum Development, 2010.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.