Garraty, J. A., & McGill, W. J. (1984). The Columbia History of the World: Eds. John A. Garraty ; Peter Gay. [Foreword by William J. McGill]. Harper & Row.

Garraty, John Arthur, and William J. McGill. The Columbia History of the World: Eds. John A. Garraty ; Peter Gay. [Foreword by William J. McGill]. New York [u.a.]: Harper & Row, 1984.

Garraty, John Arthur, and William J. McGill. The Columbia History of the World: Eds. John A. Garraty ; Peter Gay. [Foreword by William J. McGill]. Harper & Row, 1984.