APA ציטוט

Horn, K. H. (1967). Productivity , Concepts and Measurement. The Institute of National Planning.

Chicago Style (17th ed.) Citation

Horn, Karl Heinz. Productivity , Concepts and Measurement. Cairo: The Institute of National Planning, 1967.

ציטוט MLA

Horn, Karl Heinz. Productivity , Concepts and Measurement. The Institute of National Planning, 1967.