Cita APA (7th ed.)

Acra, A. (1990). Water disinfection by solar radiation: Assessment and application. IDRC.

Cita Chicago (17th ed.)

Acra, A. Water Disinfection by Solar Radiation: Assessment and Application. Ontario: IDRC, 1990.

Cita MLA (9th ed.)

Acra, A. Water Disinfection by Solar Radiation: Assessment and Application. IDRC, 1990.