Παραπομπή σε μορφή APA (7η εκδ.)

Bradley, D. P., & Lothner, D. C. (1987). Achieving wood energy potentials: Evidence in Northeastern Minnesota. North Central Forest Experiment Station.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Bradley, Dennis P., και David C. Lothner. Achieving Wood Energy Potentials: Evidence in Northeastern Minnesota. Minnesota: North Central Forest Experiment Station, 1987.

Παραπομπή σε μορφή MLA (9th εκδ.)

Bradley, Dennis P., και David C. Lothner. Achieving Wood Energy Potentials: Evidence in Northeastern Minnesota. North Central Forest Experiment Station, 1987.