Sharma O.P & Albert F Hill. Hills Economic Botany (2nd ed.).
Cita Chicago (17th ed.)Sharma O.P i Albert F Hill. Hills Economic Botany. 2nd ed.
Cita MLA (9th ed.)Sharma O.P i Albert F Hill. Hills Economic Botany. 2nd ed.
Atenció: Aquestes cites poden no estar 100% correctes.