Dyfyniad APA

Shea, C. M., & Garson, G. D. (2010). Handbook of public information systems (3 ed.-.). CRC Press.

Dyfyniad Arddull Chicago

Shea, Christopher M., and G. David Garson. Handbook of Public Information Systems. 3 ed.-. Boca Raton: CRC Press, 2010.

Dyfyniad MLA

Shea, Christopher M., and G. David Garson. Handbook of Public Information Systems. 3 ed.-. CRC Press, 2010.

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