Bracken, J. (1989). The Oxford English Dictionary on CD-ROM. Tracings. https://oaks.kent.edu/node/3364
Bracken, James. 1989. “The Oxford English Dictionary on CD-ROM”. Tracings. https://oaks.kent.edu/node/3364.
Bracken, J. The Oxford English Dictionary on CD-ROM. Tracings, 1 Jan. 1989, https://oaks.kent.edu/node/3364.