Lua APA (7ú heag.)
ebrary, Inc, & Hardaker, J. B. (2004). Coping with risk in agriculture (2nd ed.). CABI Pub..
Lua i Stíl Chicago (17ú heag.)
ebrary, Inc, agus J. B. Hardaker. Coping with Risk in Agriculture. 2nd ed. Wallingford, Oxfordshire ; Cambridge, MA: CABI Pub., 2004.
Lua MLA (9ú heag.)
ebrary, Inc, agus J. B. Hardaker. Coping with Risk in Agriculture. 2nd ed. CABI Pub., 2004.
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