Roberts, J. M. (1980). The Pelican history of the world. Harmondsworth: Penguin Books.
シカゴスタイル引用形Roberts, J. M. The Pelican History of the World. Harmondsworth: Penguin Books, 1980.
MLA引用形式Roberts, J. M. The Pelican History of the World. Harmondsworth: Penguin Books, 1980.
警告: この引用は必ずしも正確ではありません.