Παραπομπή APA

Bonner, T. N., Hill, D. W., & Wilber, G. L. (1963). The contemporary world: The social sciences in historical perspective. Englewood Cliffs, N.J: Prentice-Hall.

Παραπομπή Chicago Style

Bonner, Thomas N., Duane W. Hill, and George L. Wilber. The Contemporary World: The Social Sciences in Historical Perspective. Englewood Cliffs, N.J: Prentice-Hall, 1963.

Παραπομπή MLA

Bonner, Thomas N., Duane W. Hill, and George L. Wilber. The Contemporary World: The Social Sciences in Historical Perspective. Englewood Cliffs, N.J: Prentice-Hall, 1963.

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