Lua APA (7ú heag.)
Johnson, P. S., Shifley, S. R., & Rogers, R. (2002). The ecology and silviculture of oaks. CABI.
Lua i Stíl Chicago (17ú heag.)
Johnson, Paul S., Stephen R. Shifley, agus Robert Rogers. The Ecology and Silviculture of Oaks. Wallingford, Oxon ; New York: CABI, 2002.
Lua MLA (9ú heag.)
Johnson, Paul S., et al. The Ecology and Silviculture of Oaks. CABI, 2002.
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