Gaya APA

Swanson, C, P., Warren, I, H, C. (1992). Medieval Europe a short sourcebook (2). New: Mc Graw Hill Education.

Gaya MLA

Swanson, Carl, P.., Warren, I., Hollister,, C.. "Medieval Europe a short sourcebook". 2 New: Mc Graw Hill Education, 1992. Text.