Παραπομπή σε μορφή APA (7η εκδ.)

Carpenter-Huffman, P., Hall, G. R., & Summer, G. C. (1974). Change in education: Insights from performance contracting. Ballinger.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Carpenter-Huffman, P., George R. Hall, και Gerald C. Summer. Change in Education: Insights from Performance Contracting. Cambridge, Mass: Ballinger, 1974.

Παραπομπή σε μορφή MLA (8th εκδ.)

Carpenter-Huffman, P., et al. Change in Education: Insights from Performance Contracting. Ballinger, 1974.