Tohutoro APA (7th ed.)

Friedlander Walter A. (1958). Concepts and methods of social work. Prentice-Hall.

Tohutoru Kātū Chicago (17th ed.)

Friedlander Walter A. Concepts and Methods of Social Work. Englewood Cliffs, N.J: Prentice-Hall, 1958.

Tohutoro MLA (9th ed.)

Friedlander Walter A. Concepts and Methods of Social Work. Prentice-Hall, 1958.