Cita APA (7a ed.)
Arthur H. Westing. From Environmental to Comprehensive Security. Springer.
Cita estilo Chicago (17a ed.)
Arthur H. Westing. From Environmental to Comprehensive Security. Cham, Suiza: Springer.
Cita MLA (9a ed.)
Arthur H. Westing. From Environmental to Comprehensive Security. Springer.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.