Dyfyniad APA

Friedlander, W. A. (1968). Introduction to social welfare (3rd ed.). Prentice-Hall.

Dyfyniad Arddull Chicago

Friedlander, Walter A. Introduction to Social Welfare. 3rd ed. Englewood Cliffs: Prentice-Hall, 1968.

Dyfyniad MLA

Friedlander, Walter A. Introduction to Social Welfare. 3rd ed. Prentice-Hall, 1968.

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