APA-viite (7. p.)

Wardle, F. (2009). Approaches to early childhood and elementary education. Nova Science Publishers, Inc..

Chicago-viite (17. p.)

Wardle, Francis. Approaches to Early Childhood and Elementary Education. New York: Nova Science Publishers, Inc., 2009.

MLA-viite (9. p.)

Wardle, Francis. Approaches to Early Childhood and Elementary Education. Nova Science Publishers, Inc., 2009.