(1984). Diseases of maples in eastern North America / G.W. Hudler.
Cita Chicago (17th ed.)Diseases of Maples in Eastern North America / G.W. Hudler. 1984.
Cita MLA (9th ed.)Diseases of Maples in Eastern North America / G.W. Hudler. 1984.
Atenció: Aquestes cites poden no estar 100% correctes.