Gaya APA

Christensen, C, R. (1980). Policy formulation and administration: a casebook of senior management problems in business (8th ed.). Homewood, Illinois: Richard D. Irwin.

Gaya MLA

Christensen, C., Roland. "Policy formulation and administration: a casebook of senior management problems in business". 8th ed. Homewood, Illinois: Richard D. Irwin, 1980. Text.