Dyfyniad APA

Estes, L. S. (1999). Observation guide for Driscoll and Nagel, early childhood education, birth-8. Boston: Allyn and Bacon.

Dyfyniad Arddull Chicago

Estes, Linda S. Observation Guide for Driscoll and Nagel, Early Childhood Education, Birth-8. Boston: Allyn and Bacon, 1999.

Dyfyniad MLA

Estes, Linda S. Observation Guide for Driscoll and Nagel, Early Childhood Education, Birth-8. Boston: Allyn and Bacon, 1999.

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