(1909). Extension circular. University of Arkansas, College of Agriculture and Experiment Station.
Chicago-стиль цитированияExtension Circular. Fayetteville, Arkansas: University of Arkansas, College of Agriculture and Experiment Station, 1909.
MLA-цитированиеExtension Circular. University of Arkansas, College of Agriculture and Experiment Station, 1909.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.