APA-viite

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

Chicago-tyylinen lähdeviittaus

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

MLA-viite

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