Παραπομπή σε μορφή APA (7η εκδ.)

Wortham, S. C. Early childhood curriculum: Developmental bases for learing and teaching (2nd ed.). Merrill.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Wortham, Sue C. Early Childhood Curriculum: Developmental Bases for Learing and Teaching. 2nd ed. Upper Saddle River: Merrill.

Παραπομπή σε μορφή MLA (9th εκδ.)

Wortham, Sue C. Early Childhood Curriculum: Developmental Bases for Learing and Teaching. 2nd ed. Merrill.