Cita APA (7th ed.)
Essa, E. L. (1999). Introduction to early childhood education (4th ed.). Thomson.
Cita Chicago (17th ed.)
Essa, Eva L. Introduction to Early Childhood Education. 4th ed. Australia: Thomson, 1999.
Cita MLA (9th ed.)
Essa, Eva L. Introduction to Early Childhood Education. 4th ed. Thomson, 1999.
Atenció: Aquestes cites poden no estar 100% correctes.