Παραπομπή APA

Barrow, J. D., & Silk, J. (1983). The left hand of creation: The origin and evolution of the expanding universe. Heinemann.

Παραπομπή Chicago Style

Barrow, John D., και Joseph Silk. The Left Hand of Creation: The Origin and Evolution of the Expanding Universe. London: Heinemann, 1983.

Παραπομπή MLA

Barrow, John D., και Joseph Silk. The Left Hand of Creation: The Origin and Evolution of the Expanding Universe. Heinemann, 1983.