Bailey, M. J. (1988). Microfilming State Agriculture and Forestry Documents: Program of the National Agricultural Library.
Citazione stile Chigago Style (17a edizione)Bailey, Martha J. Microfilming State Agriculture and Forestry Documents: Program of the National Agricultural Library. 1988.
Citatione MLA (9a ed.)Bailey, Martha J. Microfilming State Agriculture and Forestry Documents: Program of the National Agricultural Library. 1988.
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