Dyfyniad APA

Rocha, C. J. (2007). Essentials of social work policy practice. Hoboken, N.J: John Wiley & Sons, Inc.

Dyfyniad Arddull Chicago

Rocha, Cynthia J. Essentials of Social Work Policy Practice. Hoboken, N.J: John Wiley & Sons, Inc, 2007.

Dyfyniad MLA

Rocha, Cynthia J. Essentials of Social Work Policy Practice. Hoboken, N.J: John Wiley & Sons, Inc, 2007.

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