Dyfyniad APA

(2020). Web and Wireless Geographical Information Systems. Springer Berlin Heidelberg.

Dyfyniad Arddull Chicago

Web and Wireless Geographical Information Systems. Springer Berlin Heidelberg, 2020.

Dyfyniad MLA

Web and Wireless Geographical Information Systems. Springer Berlin Heidelberg, 2020.

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