Marshall editions Developments Ltd, Stewart, R., Jones, R., Gould, D., Mason, A., & Hawkes, N. (1997). Ideas that shaped our world: Great concepts of then and now. Thunder Bay Press.
Citace podle Chicago (17th ed.)Marshall editions Developments Ltd, Robert Stewart, Roger Jones, David Gould, Antony Mason, a Nigel Hawkes. Ideas That Shaped Our World: Great Concepts of Then and Now. San Diego, CA: Thunder Bay Press, 1997.
Citace podle MLA (9th ed.)Marshall editions Developments Ltd, et al. Ideas That Shaped Our World: Great Concepts of Then and Now. Thunder Bay Press, 1997.
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