Russian civil and military aircraft, 1884-1969;

MLA

Nowarra, Heinz J, and Godfrey Richard Duval. Russian Civil and Military Aircraft, 1884-1969. London,: Fountain Press, 1971.

APA

Nowarra, H. J, & Duval, G. Richard. (1971). Russian civil and military aircraft, 1884-1969. London,: Fountain Press.

Chicago

Nowarra, Heinz J., and Godfrey Richard Duval. Russian Civil and Military Aircraft, 1884-1969;. London,: Fountain Press, 1971.