Williams, G. A. (1962). Guide to sources of illustrative material for use in teaching history. Historical Association.
Цитирование в стиле Чикаго (17-е изд.)Williams, Gwyn A. Guide to Sources of Illustrative Material for Use in Teaching History. London: Historical Association, 1962.
Цитирование MLA (8-е изд.)Williams, Gwyn A. Guide to Sources of Illustrative Material for Use in Teaching History. Historical Association, 1962.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.