Avkiran, N. K. (2002). Productivity analysis in the service sector with data envelopment analysis (2nd ed.). N.K. Avkiran.
芝加哥风格引文Avkiran, Necmi Kemal. Productivity Analysis in the Service Sector with Data Envelopment Analysis. 2nd ed. Camira, Qld.: N.K. Avkiran, 2002.
MLA引文Avkiran, Necmi Kemal. Productivity Analysis in the Service Sector with Data Envelopment Analysis. 2nd ed. N.K. Avkiran, 2002.
警告：这些引文格式不一定是100％准确.