APA-viite

Hardy, G. H., & Wright, E. M. (2004). An introduction to the theory of numbers. - 5th Ed (5th Ed.). Oxford University press.

Chicago-tyylinen lähdeviittaus

Hardy, G H., ja E M. Wright. An Introduction to the Theory of Numbers. - 5th Ed. 5th Ed. Oxford: Oxford University press, 2004.

MLA-viite

Hardy, G H., ja E M. Wright. An Introduction to the Theory of Numbers. - 5th Ed. 5th Ed. Oxford University press, 2004.