Network Technical Architecture Group (U.S.) & Hartmann, D. C. (1978). Message delivery system for the National Library and Information Service Network: General requirements. Library of Congress.
Цитирование в стиле Чикаго (17-е изд.)Network Technical Architecture Group (U.S.) и David C. Hartmann. Message Delivery System for the National Library and Information Service Network: General Requirements. Washington: Library of Congress, 1978.
Цитирование MLA (9-е изд.)Network Technical Architecture Group (U.S.) и David C. Hartmann. Message Delivery System for the National Library and Information Service Network: General Requirements. Library of Congress, 1978.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.