Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

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

Cita MLA (9a ed.)

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