APA (7e ed.) Bronvermelding

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

Chicago (17e ed.) Bronvermelding

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

MLA (9e ed.) Bronvermelding

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