Nalla, M., & Newman, G. R. (1990). A primer in private security. Harrow and Heston.
芝加哥风格引文Nalla, Mahesh, 与 Graeme R. Newman. A Primer in Private Security. New York: Harrow and Heston, 1990.
MLA引文Nalla, Mahesh, 与 Graeme R. Newman. A Primer in Private Security. Harrow and Heston, 1990.
警告：这些引文格式不一定是100％准确.