Campbell, S., & Moore, D. (1991). The mulch book: A complete guide for gardeners (Rev. and updated.). Storey Communications.
Cita Chicago Style (17a ed.)Campbell, Stu, y Donna Moore. The Mulch Book: A Complete Guide for Gardeners. Rev. and updated. Pownal, Vt.: Storey Communications, 1991.
Cita MLA (8a ed.)Campbell, Stu, y Donna Moore. The Mulch Book: A Complete Guide for Gardeners. Rev. and updated. Storey Communications, 1991.
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