Dyfyniad APA

(2000). Assesment: Social practice and social product. Routledge Falmer.

Dyfyniad Arddull Chicago

Assesment: Social Practice and Social Product. Routledge Falmer, 2000.

Dyfyniad MLA

Assesment: Social Practice and Social Product. Routledge Falmer, 2000.

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