Cita APA (7th ed.)

Grenzdörfer, J. (1981). Flieger-Jahrbuch 1981. Transpress.

Cita Chicago (17th ed.)

Grenzdörfer, Joachim. Flieger-Jahrbuch 1981. Berlin: Transpress, 1981.

Cita MLA (8th ed.)

Grenzdörfer, Joachim. Flieger-Jahrbuch 1981. Transpress, 1981.