Tunón, C., Ringstad, K., & Tilles, D. (1998). Swedish Institute of Agricultural Engineering. Annual report. 1997 ([1st ed.].). Swedish Institute of Agricultural Engineering.
Citace podle Chicago (17th ed.)Tunón, Catarina, Kaarina Ringstad, a D. Tilles. Swedish Institute of Agricultural Engineering. Annual Report. 1997. [1st ed.]. Uppsala: Swedish Institute of Agricultural Engineering, 1998.
Citace podle MLA (9th ed.)Tunón, Catarina, et al. Swedish Institute of Agricultural Engineering. Annual Report. 1997. [1st ed.]. Swedish Institute of Agricultural Engineering, 1998.
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