Cravens, R. H. (1979). Vines. Time-Life Books.
Cita Chicago (17th ed.)Cravens, Richard H. Vines. Alexandria, Virginia: Time-Life Books, 1979.
Cita MLA (9th ed.)Cravens, Richard H. Vines. Time-Life Books, 1979.
Atenció: Aquestes cites poden no estar 100% correctes.