Dyfyniad APA

(1999). Assessing and screening preschoolers: Psychological and educational dimensions (2nd ed.). Boston: Allyn and Bacon.

Dyfyniad Arddull Chicago

Assessing and Screening Preschoolers: Psychological and Educational Dimensions. 2nd ed. Boston: Allyn and Bacon, 1999.

Dyfyniad MLA

Assessing and Screening Preschoolers: Psychological and Educational Dimensions. 2nd ed. Boston: Allyn and Bacon, 1999.

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