PRESS, F. (1974). Earth. V.H. Freeman.
Cita Chicago (17th ed.)PRESS, Frank. Earth. San Francisco: V.H. Freeman, 1974.
Cita MLA (9th ed.)PRESS, Frank. Earth. V.H. Freeman, 1974.
Atenció: Aquestes cites poden no estar 100% correctes.
PRESS, F. (1974). Earth. V.H. Freeman.
Cita Chicago (17th ed.)PRESS, Frank. Earth. San Francisco: V.H. Freeman, 1974.
Cita MLA (9th ed.)PRESS, Frank. Earth. V.H. Freeman, 1974.