APA

Pfiffner J. M., Presthus R., . (1967). Public administration. New York: The Ronald Press Company.

Chicago

Pfiffner John M, Presthus Robert, . 1967. Public administration. New York: The Ronald Press Company.

Harvard

Pfiffner J. M., Presthus R., . (1967). Public administration. New York: The Ronald Press Company.

MLA

Pfiffner John M, Presthus Robert, . Public administration. New York: The Ronald Press Company. 1967.