Gregory, R. W., & Stoffel, L. L. (1971). Public libraries in cooperative systems: Administrative patterns for service. American Library Association.
Цитирование в стиле Чикаго (17-е изд.)Gregory, Ruth W., и Lester L. Stoffel. Public Libraries in Cooperative Systems: Administrative Patterns for Service. Chicago: American Library Association, 1971.
Цитирование MLA (9-е изд.)Gregory, Ruth W., и Lester L. Stoffel. Public Libraries in Cooperative Systems: Administrative Patterns for Service. American Library Association, 1971.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.