Bird, J. H. (1989). The changing worlds of geography: A critical guide to concepts and methods. Oxford University Press.
Цитирование в стиле Чикаго (17-е изд.)Bird, James Harold. The Changing Worlds of Geography: A Critical Guide to Concepts and Methods. Oxford: Oxford University Press, 1989.
Цитирование MLA (9-е изд.)Bird, James Harold. The Changing Worlds of Geography: A Critical Guide to Concepts and Methods. Oxford University Press, 1989.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.