APA

Frost R. I., . (2015). The Oxford history of Poland-Lithuania. Oxford: Oxford University Press.

Chicago

Frost Robert I, . 2015. The Oxford history of Poland-Lithuania. Oxford: Oxford University Press.

Harvard

Frost R. I., . (2015). The Oxford history of Poland-Lithuania. Oxford: Oxford University Press.

MLA

Frost Robert I, . The Oxford history of Poland-Lithuania. Oxford: Oxford University Press. 2015.