APA استشهاد

Highfield, . R. (1972). Spain in the Fifteenth Century. Macmillan.

استشهاد بنمط شيكاغو

Highfield, Roger. Spain in the Fifteenth Century. London: Macmillan, 1972.

MLA استشهاد

Highfield, Roger. Spain in the Fifteenth Century. Macmillan, 1972.