Pennsylvania State University. Institute for the Study of Adult Literacy, Pennsylvania State Coalition for Adult Literacy, & Aderman, B. (1989). Upgrading basic skills for the workplace. The Institute.
Чикаго стиль цитування (17-те видання)Pennsylvania State University. Institute for the Study of Adult Literacy, Pennsylvania State Coalition for Adult Literacy, та Betty Aderman. Upgrading Basic Skills for the Workplace. University Park, Pa.: The Institute, 1989.
Стиль цитування MLA (8-ме видання)Pennsylvania State University. Institute for the Study of Adult Literacy, et al. Upgrading Basic Skills for the Workplace. The Institute, 1989.
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