Cita APA (7th ed.)
Day, M. C., & Parker, R. K. (1977). The Preschool in action: Exploring early childhood programs (2nd ed.). Allyn and Bacon.
Cita Chicago (17th ed.)
Day, Mary Carol, i Ronald K. Parker. The Preschool in Action: Exploring Early Childhood Programs. 2nd ed. Boston: Allyn and Bacon, 1977.
Cita MLA (9th ed.)
Day, Mary Carol, i Ronald K. Parker. The Preschool in Action: Exploring Early Childhood Programs. 2nd ed. Allyn and Bacon, 1977.
Atenció: Aquestes cites poden no estar 100% correctes.