Cita APA (7th ed.)
Kelleher, G. J., & Kelleher, G. J. (1970). The challenge to systems análisis: Public policy and social change.
Cita Chicago (17th ed.)
Kelleher, Grace J., i Grace J. Kelleher. The Challenge to Systems Análisis: Public Policy and Social Change. 1970.
Cita MLA (9th ed.)
Kelleher, Grace J., i Grace J. Kelleher. The Challenge to Systems Análisis: Public Policy and Social Change. 1970.
Atenció: Aquestes cites poden no estar 100% correctes.