Welch, S., & Comer, J. C. (1988). Quantitative methods for public administration: Techniques and applications (2nd ed.). Harcourt Brace College.
Dyfyniad Arddull ChicagoWelch, Susan, and John C. Comer. Quantitative Methods for Public Administration: Techniques and Applications. 2nd ed. Fortworth: Harcourt Brace College, 1988.
Dyfyniad MLAWelch, Susan, and John C. Comer. Quantitative Methods for Public Administration: Techniques and Applications. 2nd ed. Harcourt Brace College, 1988.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.