APA

Edwards R. L., Yankey J. A., . (1991). Skills for effective human services management. Silver Spring, MD: National Association of Social Workers.

Chicago

Edwards Richard L, Yankey John A, . 1991. Skills for effective human services management. Silver Spring, MD: National Association of Social Workers.

Harvard

Edwards R. L., Yankey J. A., . (1991). Skills for effective human services management. Silver Spring, MD: National Association of Social Workers.

MLA

Edwards Richard L, Yankey John A, . Skills for effective human services management. Silver Spring, MD: National Association of Social Workers. 1991.