APA-referens (7:e uppl.)

Layton, W. (1922). An introduction to the study of prices: With special reference to the history of the nineteenth century. Macmillan.

Chicago-referens (17:e uppl.)

Layton, Walter. An Introduction to the Study of Prices: With Special Reference to the History of the Nineteenth Century. London: Macmillan, 1922.

MLA-referens (8:e uppl.)

Layton, Walter. An Introduction to the Study of Prices: With Special Reference to the History of the Nineteenth Century. Macmillan, 1922.