Zimmermann, E. W. (1933). World resources and industries: A fanctional appraisal of the availability of agricultural and industrial materials (rev. ed.). Harper & Row.
Styl ChicagoZimmermann, Erich W. World Resources and Industries: A Fanctional Appraisal of the Availability of Agricultural and Industrial Materials. rev. ed. New York: Harper & Row, 1933.
Citace podle MLAZimmermann, Erich W. World Resources and Industries: A Fanctional Appraisal of the Availability of Agricultural and Industrial Materials. rev. ed. Harper & Row, 1933.
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