Graf, A. B. (1973). Exotica; pictorial cyclopedia of exotic plants from tropical and near-tropic regions (7th ed.). Roehrs.
Style de citation Chicago (17e éd.)Graf, Alfred Byrd. Exotica; Pictorial Cyclopedia of Exotic Plants from Tropical and Near-tropic Regions. 7th ed. U.S.A: Roehrs, 1973.
Style de citation MLA (9e éd.)Graf, Alfred Byrd. Exotica; Pictorial Cyclopedia of Exotic Plants from Tropical and Near-tropic Regions. 7th ed. Roehrs, 1973.
Attention : ces citations peuvent ne pas être correctes à 100%.