APA ציטוט

Sutermeister, R. A. (1963). People and productivity. Mc graw hill book company.

Chicago Edition Citation

Sutermeister, Robert A. People and Productivity. New York: Mc graw hill book company, 1963.

ציטוט MLA

Sutermeister, Robert A. People and Productivity. Mc graw hill book company, 1963.