Dyfyniad APA

T&D Report 2005 - International Grid Maps. ABS Energy Research.

Dyfyniad Arddull Chicago

T&D Report 2005 - International Grid Maps. ABS Energy Research.

Dyfyniad MLA

T&D Report 2005 - International Grid Maps. ABS Energy Research.

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