Παραπομπή σε μορφή APA (7η εκδ.)

Sumanth, D. J. (1984). Productivity engineering and managementproductivity measurement, evaluation, planning, and improvement in manufacturing and service organizationsDavid J. Sumanth. McGraw-Hill.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Sumanth, David J. Productivity Engineering and Managementproductivity Measurement, Evaluation, Planning, and Improvement in Manufacturing and Service OrganizationsDavid J. Sumanth. McGraw-Hill, 1984.

Παραπομπή σε μορφή MLA (8th εκδ.)

Sumanth, David J. Productivity Engineering and Managementproductivity Measurement, Evaluation, Planning, and Improvement in Manufacturing and Service OrganizationsDavid J. Sumanth. McGraw-Hill, 1984.