Παραπομπή σε μορφή APA (7η εκδ.)

Coletta, A. J., & Coletta, K. (1986). Year 'round activities for two-year-old children. Center for Applied Research in Education.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Coletta, Anthony J., και Kathleen Coletta. Year 'Round Activities for Two-year-old Children. West Nyack, N.Y: Center for Applied Research in Education, 1986.

Παραπομπή σε μορφή MLA (9th εκδ.)

Coletta, Anthony J., και Kathleen Coletta. Year 'Round Activities for Two-year-old Children. Center for Applied Research in Education, 1986.