APA

Eller W. S., Gerber B. J. & Robinson S. E.Public administration research methods : tools for evaluation and evidence-based practice. New York : Routledge, 2018: .

Chicago

Eller Warren S, Gerber Brian J and Robinson Scott E.Public administration research methods : tools for evaluation and evidence-based practice. New York : Routledge, 2018: .

Harvard

Eller W. S., Gerber B. J. and Robinson S. E.Public administration research methods : tools for evaluation and evidence-based practice. New York : Routledge, 2018: .

MLA

Eller Warren S, Gerber Brian J and Robinson Scott E.New York : Routledge, 2018: . .