(1991). Report on the Preservation planning project: University of Pennsylvania libraries. Mc GRAW HILL book company.
Цитирование в стиле Чикаго (17-е изд.)Report on the Preservation Planning Project: University of Pennsylvania Libraries. September: Mc GRAW HILL book company, 1991.
Цитирование MLA (8-е изд.)Report on the Preservation Planning Project: University of Pennsylvania Libraries. Mc GRAW HILL book company, 1991.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.