Cita APA (7th ed.)

ZIMMERMANN, E. W. (1951). World resources and industries: A functional appraisal of the availability of agricultural and industrial materials. Harper & Row.

Cita Chicago (17th ed.)

ZIMMERMANN, Erich W. World Resources and Industries: A Functional Appraisal of the Availability of Agricultural and Industrial Materials. New York: Harper & Row, 1951.

Cita MLA (9th ed.)

ZIMMERMANN, Erich W. World Resources and Industries: A Functional Appraisal of the Availability of Agricultural and Industrial Materials. Harper & Row, 1951.