Polish aircraft, 1893-1939

MLA

Cynk, Jerzy B. Polish Aircraft, 1893-1939. London: Putnam, 1971.

APA

Cynk, J. B. (1971). Polish aircraft, 1893-1939. London: Putnam.

Chicago

Cynk, Jerzy B. Polish Aircraft, 1893-1939. London: Putnam, 1971.