(1990). American perspectives: The United States in the modern age. Washington: United States Information Agency.
Παραπομπή Chicago StyleAmerican Perspectives: The United States in the Modern Age. Washington: United States Information Agency, 1990.
ציטוט MLAAmerican Perspectives: The United States in the Modern Age. Washington: United States Information Agency, 1990.
אזהרה: ציטוטים אלה לעיתים לא מדויקים ב 100%.