Sobel, I., & Wilcock, R. C. (1966). Placement techniques for older workers. Organisation for Economic Cooperation and Development, Manpower and Social Affairs Directorate, Social Affairs Division.
芝加哥风格引文Sobel, Irvin, 与 Richard C. Wilcock. Placement Techniques for Older Workers. [Paris]: Organisation for Economic Cooperation and Development, Manpower and Social Affairs Directorate, Social Affairs Division, 1966.
MLA引文Sobel, Irvin, 与 Richard C. Wilcock. Placement Techniques for Older Workers. Organisation for Economic Cooperation and Development, Manpower and Social Affairs Directorate, Social Affairs Division, 1966.
警告：这些引文格式不一定是100％准确.