Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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