APA-referens (7:e uppl.)

Horton, S. R. (1974). The sugar estates of the Lambayeque Valley, 1670-1800: A contribution to Peruvian agrarian history. Land Tenure Center, University of Wisconsin--Madison.

Chicago-referens (17:e uppl.)

Horton, Susan Ramirez. The Sugar Estates of the Lambayeque Valley, 1670-1800: A Contribution to Peruvian Agrarian History. Madison: Land Tenure Center, University of Wisconsin--Madison, 1974.

MLA-referens (9:e uppl.)

Horton, Susan Ramirez. The Sugar Estates of the Lambayeque Valley, 1670-1800: A Contribution to Peruvian Agrarian History. Land Tenure Center, University of Wisconsin--Madison, 1974.

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