Dyfyniad APA

NOYES ROBERT. UNIT OPERATIONS IN ENVIRONMENTAL ENGINEERING.

Dyfyniad Arddull Chicago

NOYES ROBERT. UNIT OPERATIONS IN ENVIRONMENTAL ENGINEERING.

Dyfyniad MLA

NOYES ROBERT. UNIT OPERATIONS IN ENVIRONMENTAL ENGINEERING.

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