Graf, A. B. 1., & Graf, A. B. 1. (1978). Exotic plant manual: Fascinating plants to live with, their requirements, propagation and use (5.edition.). East Ruthersford, N.J.: Roehrs.
Citación estilo ChicagoGraf, Alfred Byrd 1901-2001, y Alfred Byrd 1901-2001 Graf. Exotic Plant Manual: Fascinating Plants to Live With, Their Requirements, Propagation and Use. 5.edition. East Ruthersford, N.J.: Roehrs, 1978.
Cita MLAGraf, Alfred Byrd 1901-2001, y Alfred Byrd 1901-2001 Graf. Exotic Plant Manual: Fascinating Plants to Live With, Their Requirements, Propagation and Use. 5.edition. East Ruthersford, N.J.: Roehrs, 1978.
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