Dyfyniad APA

(1991). Research on social work practice. Sage Publications.

Dyfyniad Arddull Chicago

Research on Social Work Practice. Thousand Oaks, California: Sage Publications, 1991.

Dyfyniad MLA

Research on Social Work Practice. Sage Publications, 1991.

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