McKeever, H. P. (1981). Hell above water. Horwitz.
Cita Chicago (17th ed.)McKeever, Harry P. Hell Above Water. Cammeray [N.S.W.]: Horwitz, 1981.
Cita MLA (8th ed.)McKeever, Harry P. Hell Above Water. Horwitz, 1981.
Atenció: Aquestes cites poden no estar 100% correctes.