Dyfyniad APA

Acra, A., jurdi, m., & mu’allem, h. (1990). Water disinfection by solar radiation: Assessment and application. idrc.

Dyfyniad Arddull Chicago

Acra, A., m. jurdi, and h. mu’allem. Water Disinfection by Solar Radiation: Assessment and Application. canada: idrc, 1990.

Dyfyniad MLA

Acra, A., et al. Water Disinfection by Solar Radiation: Assessment and Application. idrc, 1990.

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