APA (7e ed.) Bronvermelding

Barr, R. D. (2013). Building a culture of hope: Enriching schools with optimism and opportunity. Solution Tree Press.

Chicago (17e ed.) Bronvermelding

Barr, Robert D. Building a Culture of Hope: Enriching Schools with Optimism and Opportunity. Bloomington, Ind.: Solution Tree Press, 2013.

MLA (9e ed.) Bronvermelding

Barr, Robert D. Building a Culture of Hope: Enriching Schools with Optimism and Opportunity. Solution Tree Press, 2013.