Shinn, C. H. (1903). Culture work at the substations. Bulletin / Agricultural Experiment Station / University of California, Division of Agricultural Sciences 147.
استشهاد بنمط شيكاغوShinn, Charles Howard. "Culture Work At the Substations." Bulletin / Agricultural Experiment Station / University of California, Division of Agricultural Sciences 147 1903.
MLA استشهادShinn, Charles Howard. "Culture Work At the Substations." Bulletin / Agricultural Experiment Station / University of California, Division of Agricultural Sciences 147 1903.
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