Παραπομπή σε μορφή APA (7η εκδ.)

Herriges, J. A., & Kling, C. L. (1999). Valuing recreation and the environment: Revealed preference methods in theory and practice. Edward Elgar.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Herriges, Joseph A., και Catherine L. Kling. Valuing Recreation and the Environment: Revealed Preference Methods in Theory and Practice. Cheltenham: Edward Elgar, 1999.

Παραπομπή σε μορφή MLA (9th εκδ.)

Herriges, Joseph A., και Catherine L. Kling. Valuing Recreation and the Environment: Revealed Preference Methods in Theory and Practice. Edward Elgar, 1999.