Dyfyniad APA

(1973). Grass roots. "Grass Roots", Nottingham Council of Social Services.

Dyfyniad Arddull Chicago

Grass Roots. Nottingham, England: "Grass Roots", Nottingham Council of Social Services, 1973.

Dyfyniad MLA

Grass Roots. "Grass Roots", Nottingham Council of Social Services, 1973.

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