(1909). Extension circular. University of Arkansas, College of Agriculture and Experiment Station.
Chicago Style (17th ed.) CitationExtension Circular. Fayetteville, Arkansas: University of Arkansas, College of Agriculture and Experiment Station, 1909.
Cita MLAExtension Circular. University of Arkansas, College of Agriculture and Experiment Station, 1909.
Atenció: Aquestes cites poden no estar 100% correctes.