Apfelbaum, S. I., & Haney, A. (2012). The Restoring Ecological Health to Your Land Workbook. Island Press/Center for Resource Economics : Imprint: Island Press.
Παραπομπή σε μορφή Chicago (17η εκδ.)Apfelbaum, Steven I., και Alan Haney. The Restoring Ecological Health to Your Land Workbook. Washington, DC: Island Press/Center for Resource Economics : Imprint: Island Press, 2012.
Παραπομπή σε μορφή MLA (8th εκδ.)Apfelbaum, Steven I., και Alan Haney. The Restoring Ecological Health to Your Land Workbook. Island Press/Center for Resource Economics : Imprint: Island Press, 2012.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.