Dyfyniad APA

Douglas,Sholto J. (1975). Hydroponics: The Bengal system with notes on other methods of soilless cultivation. Oxford university press.

Dyfyniad Arddull Chicago

Douglas,Sholto J. Hydroponics: The Bengal System with Notes on Other Methods of Soilless Cultivation. Bombay: Oxford university press, 1975.

Dyfyniad MLA

Douglas,Sholto J. Hydroponics: The Bengal System with Notes on Other Methods of Soilless Cultivation. Oxford university press, 1975.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.