Παραπομπή σε μορφή APA (7η εκδ.)

Lind, R. C. (1982). Discounting for time and risk in energy policy. Resources for the future.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Lind, Robert C. Discounting for Time and Risk in Energy Policy. Washington: Resources for the future, 1982.

Παραπομπή σε μορφή MLA (9th εκδ.)

Lind, Robert C. Discounting for Time and Risk in Energy Policy. Resources for the future, 1982.