Heinkel, E., & Thorwald, J. (1956). He 1000: Ernst Heinkel. Ed. by Jürgen Thorwald. Hutchinson.
Cita Chicago Style (17a ed.)Heinkel, Ernst, y Jürgen Thorwald. He 1000: Ernst Heinkel. Ed. by Jürgen Thorwald. London: Hutchinson, 1956.
Cita MLA (8a ed.)Heinkel, Ernst, y Jürgen Thorwald. He 1000: Ernst Heinkel. Ed. by Jürgen Thorwald. Hutchinson, 1956.
Precaución: Estas citas no son 100% exactas.