International Symposium on Soviet Agriculture (1964 : Munich), Institute for the Study of the USSR, Kansas University, Crowley, E. K., & Laird, R. D. (1965). Soviet agriculture: The permanent crisis. Praeger.
Dyfyniad Arddull ChicagoInternational Symposium on Soviet Agriculture (1964 : Munich), Institute for the Study of the USSR, Kansas University, Edward K. Crowley, and Roy D. Laird. Soviet Agriculture: The Permanent Crisis. New York: Praeger, 1965.
Dyfyniad MLAInternational Symposium on Soviet Agriculture (1964 : Munich), et al. Soviet Agriculture: The Permanent Crisis. Praeger, 1965.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.