McCallum, J. (1990). Australian mandatory retirement challenged. National Centre for Epidemiology and Population Health, Australian National University.
芝加哥风格引文McCallum, John. Australian Mandatory Retirement Challenged. Canberra: National Centre for Epidemiology and Population Health, Australian National University, 1990.
MLA引文McCallum, John. Australian Mandatory Retirement Challenged. National Centre for Epidemiology and Population Health, Australian National University, 1990.
警告：这些引文格式不一定是100％准确.