United States. Office of Education, Grain and Feed Dealers National Association (U.S.), & Clark, R. M. (1969). Grain, feed, seed, and farm supply technology: A suggested 2-year post high school curriculum. For sale by the Supt. of Docs., U.S. Govt. Print. Off.
Cita Chicago Style (17a ed.)United States. Office of Education, Grain and Feed Dealers National Association (U.S.), y Raymond M. Clark. Grain, Feed, Seed, and Farm Supply Technology: A Suggested 2-year Post High School Curriculum. [Washington: For sale by the Supt. of Docs., U.S. Govt. Print. Off, 1969.
Cita MLA (8a ed.)United States. Office of Education, et al. Grain, Feed, Seed, and Farm Supply Technology: A Suggested 2-year Post High School Curriculum. For sale by the Supt. of Docs., U.S. Govt. Print. Off, 1969.