Παραπομπή σε μορφή APA (7η εκδ.)

Gupta, D. K. (1994). Decisions by the numbers: An introduction to qualitative techniques for public policy analysis and management. Prentice Hall.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Gupta, Dipak K. Decisions by the Numbers: An Introduction to Qualitative Techniques for Public Policy Analysis and Management. New Jersey: Prentice Hall, 1994.

Παραπομπή σε μορφή MLA (9th εκδ.)

Gupta, Dipak K. Decisions by the Numbers: An Introduction to Qualitative Techniques for Public Policy Analysis and Management. Prentice Hall, 1994.