de Villa, K., Nunez, H. A., & Rodriguez, W. S. M. (1995). Measuring the temporal changes in the technical efficiencies of industries in the manufacturing sector for the time periods 1956-1970 and 1971-1990. Animo Repository.
استشهاد بنمط شيكاغوde Villa, Kristine, Hollie Anne Nunez, و Winifrida Sophia M. Rodriguez. Measuring the Temporal Changes in the Technical Efficiencies of Industries in the Manufacturing Sector for the Time Periods 1956-1970 and 1971-1990. Animo Repository, 1995.
MLA استشهادde Villa, Kristine, Hollie Anne Nunez, و Winifrida Sophia M. Rodriguez. Measuring the Temporal Changes in the Technical Efficiencies of Industries in the Manufacturing Sector for the Time Periods 1956-1970 and 1971-1990. Animo Repository, 1995.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.