(1980). Medicinal and aromatic plants. Springer- Verlag.
Cita Chicago (17th ed.)Medicinal and Aromatic Plants. Berlin: Springer- Verlag, 1980.
Cita MLA (9th ed.)Medicinal and Aromatic Plants. Springer- Verlag, 1980.
Atenció: Aquestes cites poden no estar 100% correctes.