Ley, W. (1968). Rockets, Missiles, and Men in Space. New York: The New American Library.
Chicago-стиль цитированияLey, Willy. Rockets, Missiles, and Men in Space. New York: The New American Library, 1968.
MLA-цитированиеLey, Willy. Rockets, Missiles, and Men in Space. New York: The New American Library, 1968.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.