Greuter, W.; Barrie, F.R.; Burdet, H.M.; Chaloner, W.G.; Demoulin, V.; Hawaksworth, D.L.; Jorsgensen, P.M., Nicolson, D.H.; Silva, P.C.; Trehane, P. (1993). International Code of Botanical Nomenclature (Tokyo Code), Adopted by the Fifteenth International Botanical Congress, Yokohama, August-September 1993. Regnum Vegetabile 131. Koeltz Scientific Books, Königstein.
ISBN 3-87429-367-X, ISBN 1-878762-66-4, ISBN 80-901699-1-0
