Sumanth, D. J. (1984). Productivity engineering and managementproductivity measurement, evaluation, planning, and improvement in manufacturing and service organizationsDavid J. Sumanth. McGraw-Hill.
Čikaški stil citiranja (17. izdanje)Sumanth, David J. Productivity Engineering and Managementproductivity Measurement, Evaluation, Planning, and Improvement in Manufacturing and Service OrganizationsDavid J. Sumanth. McGraw-Hill, 1984.
MLA način citiranja (8. izdanje)Sumanth, David J. Productivity Engineering and Managementproductivity Measurement, Evaluation, Planning, and Improvement in Manufacturing and Service OrganizationsDavid J. Sumanth. McGraw-Hill, 1984.
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