APA-referens (7:e uppl.)

Wortham, S. C. (2006). Early childhood curriculum: Developmental bases for learning and teaching (4th ed.). Pearson/Merrill/Prentice Hall.

Chicago-referens (17:e uppl.)

Wortham, Sue Clark. Early Childhood Curriculum: Developmental Bases for Learning and Teaching. 4th ed. Upper Saddle River, New Jersey: Pearson/Merrill/Prentice Hall, 2006.

MLA-referens (9:e uppl.)

Wortham, Sue Clark. Early Childhood Curriculum: Developmental Bases for Learning and Teaching. 4th ed. Pearson/Merrill/Prentice Hall, 2006.