Erdmanis, G. (1989). Kurzemes viduslaiku pilis. Riga: Zinatne.
Chicago Style CitationErdmanis, Gunars. Kurzemes Viduslaiku Pilis. Riga: Zinatne, 1989.
MLA CitationErdmanis, Gunars. Kurzemes Viduslaiku Pilis. Riga: Zinatne, 1989.
Warning: These citations may not always be 100% accurate.