Gaya APA

Grubbs, R, B, D, W, J, W. (1999). Public Administration An Action Orientation (Third Edition). United States of America: Harcourt Brace College Publishers.

Gaya MLA

Grubbs, Robert, B., Denhardt, With, Joseph, W.. "Public Administration An Action Orientation". Third Edition United States of America: Harcourt Brace College Publishers, 1999. Text.