APA (7e ed.) Bronvermelding

Esbensen, S. B. (1987). An outdoor classroom: The early childhood program. High/Scope Press.

Chicago (17e ed.) Bronvermelding

Esbensen, Steen B. An Outdoor Classroom: The Early Childhood Program. Ypsilanti, Mich: High/Scope Press, 1987.

MLA (9e ed.) Bronvermelding

Esbensen, Steen B. An Outdoor Classroom: The Early Childhood Program. High/Scope Press, 1987.