Resh, H. M. (1988). Hydroponic food production: A definitive guidebook of soilless food growing methods (4a. ed.). Woodbridge Press.
Cita Chicago (17th ed.)Resh, Howard M. Hydroponic Food Production: A Definitive Guidebook of Soilless Food Growing Methods. 4a. ed. Santa Bárbara: Woodbridge Press, 1988.
Cita MLA (9th ed.)Resh, Howard M. Hydroponic Food Production: A Definitive Guidebook of Soilless Food Growing Methods. 4a. ed. Woodbridge Press, 1988.
Atenció: Aquestes cites poden no estar 100% correctes.