Παραπομπή APA

Polisensky, J. (1971). thirty years war. Batsford.

Παραπομπή Chicago Style

Polisensky, J.V. Thirty Years War. London: Batsford, 1971.

Παραπομπή MLA

Polisensky, J.V. Thirty Years War. Batsford, 1971.