APA ציטוט

ZIMMERMANN, E. W. (1951). World Resources and Industries: A fungtional appraisal of the availability of agricultural and industrial materials. Harper & Brothers Publishers.

Chicago Style (17th ed.) Citation

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

ציטוט MLA

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