Lua APA (7ú heag.)
Hartmann, M., & Hesse, J. W. (2014). Agriculture and food in the 21st century: Economic, environmental and social challenges : festschrift on the occasion of Prof. Dr. Dr. h. c. Michael Schmitz 65. birthday. PL Academic Research.
Lua i Stíl Chicago (17ú heag.)
Hartmann, Monika, agus Joachim W. Hesse. Agriculture and Food in the 21st Century: Economic, Environmental and Social Challenges : Festschrift on the Occasion of Prof. Dr. Dr. H. C. Michael Schmitz 65. Birthday. Frankfurt am Main, [Germany]: PL Academic Research, 2014.
Lua MLA (9ú heag.)
Hartmann, Monika, agus Joachim W. Hesse. Agriculture and Food in the 21st Century: Economic, Environmental and Social Challenges : Festschrift on the Occasion of Prof. Dr. Dr. H. C. Michael Schmitz 65. Birthday. PL Academic Research, 2014.
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