Welch, S., & Comer, J. C. (1988). Quantitative methods for public administration: Techniques and applications (2nd ed.). Harcourt Brace College.
Citazione stile Chigago Style (17a edizione)Welch, Susan, e John C. Comer. Quantitative Methods for Public Administration: Techniques and Applications. 2nd ed. Fortworth: Harcourt Brace College, 1988.
Citatione MLA (9a ed.)Welch, Susan, e John C. Comer. Quantitative Methods for Public Administration: Techniques and Applications. 2nd ed. Harcourt Brace College, 1988.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.