Charles. (2007). The elements of organic gardening: Highgrove, Clarence House, Birkhall. [Carlsbad, Calif.]: Kales Press.
シカゴスタイル引用形Charles. The Elements of Organic Gardening: Highgrove, Clarence House, Birkhall. [Carlsbad, Calif.]: Kales Press, 2007.
MLA引用形式Charles. The Elements of Organic Gardening: Highgrove, Clarence House, Birkhall. [Carlsbad, Calif.]: Kales Press, 2007.
警告: この引用は必ずしも正確ではありません.