APA

Sevel J., Cummins L. & Madrigal C. (1999). Student guide and workbook for social work skills demonstrated: beginning direct practice CD-ROM. Boston, Mass: Allyn and Bacon.

Chicago

Sevel Judith, Cummins Linda and Madrigal César. 1999. Student guide and workbook for social work skills demonstrated: beginning direct practice CD-ROM. Boston, Mass: Allyn and Bacon.

Harvard

Sevel J., Cummins L. and Madrigal C. (1999). Student guide and workbook for social work skills demonstrated: beginning direct practice CD-ROM. Boston, Mass: Allyn and Bacon.

MLA

Sevel Judith, Cummins Linda and Madrigal César. Student guide and workbook for social work skills demonstrated: beginning direct practice CD-ROM. Boston, Mass: Allyn and Bacon. 1999.