APA aipamena

Hardy, G. H. (1971). Introduction to the theory of numbers (4th.). English Language book society.

Chicago Style aipamena

Hardy, G. H. Introduction to the Theory of Numbers. 4th. London: English Language book society, 1971.

MLA aipamena

Hardy, G. H. Introduction to the Theory of Numbers. 4th. English Language book society, 1971.