Del Porto, D., & Steinfeld, C. (1999). The composting toilet system book: A practical guide to choosing, planning and maintaining composting toilet systems, a water-saving, pollution-preventing alternative. The Center for Ecological Pollution Prevention.
Chicago Style (17th ed.) CitationDel Porto, David, and Carol Steinfeld. The Composting Toilet System Book: A Practical Guide to Choosing, Planning and Maintaining Composting Toilet Systems, a Water-saving, Pollution-preventing Alternative. Concord, Mass.: The Center for Ecological Pollution Prevention, 1999.
MLA (9th ed.) CitationDel Porto, David, and Carol Steinfeld. The Composting Toilet System Book: A Practical Guide to Choosing, Planning and Maintaining Composting Toilet Systems, a Water-saving, Pollution-preventing Alternative. The Center for Ecological Pollution Prevention, 1999.