एपीए उद्धरण

Toynbee, A. J. (1934). A study of history. Royal Institute of International Affairs.

शिकागो स्टाइल उद्धरण

Toynbee, Arnold J. A Study of History. Royal Institute of International Affairs, 1934.

एमएलए उद्धरण

Toynbee, Arnold J. A Study of History. Royal Institute of International Affairs, 1934.